英语释义

1. a center of activity, attraction, or attention
the focus of the meeting was drug abuse put immigration into focus as a hot topic for commentators

2. a point of concentration

3. directed attention emphasis
The focus is on helping the homeless.

4. direction sense 6c
the team lost focus

5. a state or condition permitting clear perception or understanding
tried to bring the issues into focus

6. adjustment for distinct vision also the area that may be seen distinctly or resolved into a clear image

7. focal length

8. a point at which rays (as of light, heat, or sound) converge or from which they diverge or appear to diverge specifically the point where the geometrical lines or their prolongations conforming to the rays diverging from or converging toward another point intersect and give rise to an image after reflection by a mirror or refraction by a lens or optical system

9. a point of convergence (see convergence sense 1) of a beam of particles (such as electrons)

10. one of the fixed points that with the corresponding directrix defines a conic section

11. a localized area of disease or the chief site of a generalized disease or infection

12. the place of origin of an earthquake or moonquake

13. having or giving the proper sharpness of outline due to good focusing
get the binoculars in focus

14. not in focus

15. to cause to be concentrated
focused their attention on the most urgent problems

16. to adjust the focus of (the eye, a lens, etc.)
focus the telescope

17. to bring into focus
The results of that research were focused for classroom presentation.

18. to bring (something, such as light rays) to a focus concentrate

19. to concentrate attention or effort
focus on the most pressing needs

20. to adjust one's eye or a camera to a particular range
Newborn babies cannot focus for several months.

21. to come to a focus converge

22. a subject that is being discussed or studied the subject on which people's attention is focused

23. a main purpose or interest

24. a point at which rays of light, heat, or sound meet or from which they move apart or appear to move apart especially the point at which an image is formed by a mirror, a lens, etc.

25. to cause (something, such as attention) to be directed at something specific

26. to direct your attention or effort at something specific

27. to adjust (something, such as a lens or a camera) to make an image clear

28. a point at which rays (as of light, heat, or sound) meet after being reflected or bent the point at which an image is formed

29. the distance from a lens or mirror to a focus

30. an adjustment that gives clear vision
He turned his head almost upside down to get a more acute focus on her …
— Jean Craighead George, Julie of the Wolves

31. a center of activity or interest
Fractions are the focus of this lesson.

32. to bring or come to a focus
focus rays of light

33. to adjust the focus of
He focused his binoculars.

34. to direct or cause to direct at
Focus your attention here.

35. a point of convergence of a beam of particles (as electrons)

36. focal length

37. to bring (as light rays) to a focus

38. to adjust the focus of (as the eye or a lens)

39. to bring (as an image) into focus

40. to come to a focus

41. to adjust one's eye or a camera to a particular range

片语

principal foci翻译

negative foci假焦点英语

fix foci固定焦点

global foci整体对象

oving foci动焦点

prime foci主焦距

hemorrhagic foci出血灶英语

focuses集中（focus的三单形式）；使聚焦；调节焦距

foci focus的复数

英汉例句

• Active long-term surveillance of zoonotic foci and rapid response to reduce exposure during epizootic outbreaks have been successful in reducing human plague.

  对动物源性疾病疫源地的积极长期监测和快速应对以便在兽疫流行暴发期间减少接触已在减少人类鼠疫方面取得成功。

• An increase in resistance to the drug has been observed in several foci particularly in central Africa.

  在若干疫源地，尤其是在非洲中部，已观察到对该药耐药性上升的情况。

• The flatter the ellipse the farther apart the foci and the farther each focus the center.

  椭圆越扁平，两焦点之间的距离越远，每个焦点离中心的距离也越远。

• Other suspected foci have been identified in the Greater Mekong subregion, but are not yet confirmed.

  在大湄公河次区域发现了其它疑似疫源地，但尚未确认。

• Discussion: the CT manifestations of renal tuberculosis and tuberculosis foci exist in different diseases are closely related to pathological changes of the period, with the diversity and complexity.

  讨论：肾结核的CT表现与结核灶存在的不同病变时期的病理改变密切相关，具有多样性和复杂性。

• Laser scalpel excision without epileptogenic focus is a craniotomy, resection of the epileptic foci can reach a new advanced treatment technology.

  利用激光手术刀切除致痫灶是一种不用开颅，可以达到切除致痫灶的新的先进治疗技术。

• The probe into the knowledge essence is still one of the debating foci in the field of philosophy, especially in the philosophy of knowledge.

  关于知识本质的探索，一直是哲学界尤其是知识哲学所争论的焦点之一。

• The result of research on laser dual foci technique is presented.

  本文介绍了对激光双焦点技术的研究结果。

• Small foci of cancer adjacent to foci of inflammation may sometimes be oerlooked.

  小的癌灶与邻近的炎癥病灶有时很难进行区分。

• If epilepic waves were detected once more, epilepic foci were resected based on the location with cortex electrode.

  肿瘤切除后再行脑电监测，若仍有癫痫波，根据皮层电极之定位切除致痫灶。

• Results The multifocal of osteosarcomatosis were clearly depicted by X- ray plain film, and the radionuclide concentration of tumor foci could be seen on radionuclide images.

  结果：X线平片清楚显示多中心骨肉瘤病灶， 放射性核素显像骨扫描可见肿瘤灶核素浓集。

• Small foci of cancer adjacent to foci of inflammation may sometimes be overlooked.

  小的癌灶与邻近的炎癥病灶有时很难进行区分。

• Microscopic foci of cancer often have been observed in areas considered clinically normal.

  显微镜所显示的癌灶通常见于临床认为正常的区域。

• This large renal cell carcinoma shows cyst formation and foci of hemorrhage and necrosis.

  本例肾细胞癌瘤体巨大，伴发小囊肿形成、局灶性出血和坏死。

• With comparison, MRI was superior in diagnosis of HSE to CT, and may show the occult foci undetected by CT.

  与CT比较，MRI在诊断单纯疱疹性脑炎方面优于CT，可显示CT未能发现的隐匿病灶。

• Ct scan showed punctuate calcified foci with circular infarcts of low density beside them in single or bilateral basal ganglia.

  CT扫描显示在一侧或双侧基底节区点或片状钙化，其附近存在类圆形点或片状低密度灶。

• The transformed cells separated from the foci lost their ability of post-confluence inhibition of division, and could grow into colony in soft AGAR medium.

  从转化灶中分离的细胞，失去了在培养中的接触抑制，能在软琼脂培养基中形成集落。

相似词

axis轴；轴线；轴心国

base(Base) （英、美、爱尔兰）马濑（人名）

capital(Capital)人名；(法)卡皮塔尔

center居中，被置于中心

central电话总机

core核心；要点；果心；[计] 磁心

cynosure指针；众人瞩目的焦点

epicenter震中；中心

eye(Eye)人名；(德)艾厄；(英)艾

ground zero“爆心投影点”组织；着地点

heart结心

hub(Hub)人名；(捷)胡布

locus[数] 轨迹；地点，所在地

mecca麦加（沙特阿拉伯一座城市）；众人渴望去的地方

navel[解剖] 肚脐；中央；中心点

nerve center神经中枢；神经元

nexus关系；连结，连系

nucleus核，核心；原子核

omphalos浮饰；圆锥形神石；肚脐

seat使…坐下；可容纳…的；使就职