英语释义

• a soft silver-white ductile metallic element (liquid at normal temperatures); the most electropositive and alkaline metal

片语

caesium lottomr铯激光器

caesium cycle铯周期

caesium carbonhmarketing碳酸铯

radioactive caesium放射性铂

Caesium Tungstate氧化钨铯

caesium nitrate硝酸铯

caesium beryl铯绿柱石

caesium source铯源

caesium sulfate硫酸铯

cesium铯（55号元素，符号Cs）

英汉例句

• Among them, about 270 000 people continue to live in areas classified by Soviet authorities as strictly controlled zones (SCZs), where radioactive caesium contamination exceeds 555 kBq/m2.

  在这些人当中，大约有270,000人仍然生活在被苏联当局定为严格控制区(SCZs)的地区，那里铯的污染超过555kBq/m2。

• Every time a gust of wind blows, Mr Sato says it shakes invisible particles of radioactive caesium off the trees and showers them over the village.

  村长佐藤为我们讲到，每次一刮大风，就会把附着在树叶上面的放射性元素铯[2]吹落，撒到下面的村子。

• Gallium is solid at room temperature but will melt if held in your hand, caesium (Cs), and francium (Fr) ?the second rarest naturally occurring element, can also be liquid at or near room temperature.

  金属镓在室温里是固体状态但是把它放在你的手上它就会融化，金属铯，元素钫这些比较稀有的元素在室温或者接近室温的情况下是液体状态的。

• That's why we use atomic - or microwave - clocks, which measure the vibration of a caesium atom to keep time, just like the tiny swinging of a pendulum.

  这也是我们应用原子钟或微波钟的原因，它们通过测量铯原子的摆动来计时，就像一个钟摆在轻微摆动。

• They touched the powder and daubed it on their bodies like carnival glitter, taking fragments of the radioactive caesium chloride salt home.

  他们触摸粉末，涂在身上，就如狂欢节闪亮的服饰，并将放射性铯氯化盐碎末带回家中。

• It is cool and filter the precipitated caesium dichloroiodide .

  这是冷却，滤出沉淀的二氯碘化铯。

• The researchers used a focused beam of caesium ions to dislodge molecules of water from the inclusions and measured the amount with a mass spectrometer.

  研究人员用聚焦的铯离子束将水分子自包裹体中打出并用质谱仪测量其数量。

• The main radionuclides representing health risk are radioactive caesium and radioactive iodine.

  意味着健康威胁的主要的放射性核素包括放射性铯和放射性碘。

• Thus, in 1967, SI adopted a more precise definition based on the frequency of the radiation a caesium atom emits when it flips between two energy states.

  所以，在1967年，SI采用了一个更为精确的制定办法，该办法基于一个铯原子在两个能级之间跃迁时的辐射频率。

• The radioactive iodine and caesium in concentrations above the Japanese regulatory limits have been detected in some food commodities as a result of food monitoring

  对食品监测的结果显示，某些食品商品中放射性碘和铯的浓度超过了日本的监管上限。

• His discoveries, which won him the Nobel prize, led to the caesium atomic clock and the hydrogen maser.

  这一获得诺贝尔奖的发现产生了铯原子钟和氢微波激射器。

• He said detection of the radioactive element caesium outside the No.1 reactor today was 「a bad sign」 for a core meltdown.

  他说今天在第一核电站检测到放射性元素铯，这是核心融化的不好迹象。

• Previous releases of radioactive iodine and caesium had shown that material from the core of at least one reactor has been released.

  之前放射性的碘、铯的释放表明至少一个反应堆堆芯已被释放。

• Iodine-131 and caesium are more damaging, however. Iodine is actively taken up by the thyroid gland to make hormones.

  碘- 131和铯则更具破坏性，人体的甲状腺要使用碘来制造激素。

• Radioactive caesium has also been detected.

  还发现了放射性铯。