英语释义

1. a dividing ridge between drainage areas divide entry 2
The watershed of the Himalayas does not lie along the line of its highest peaks, as in most mountain ranges, but about a hundred miles farther north.
— Frits Staal

2. a region or area bounded peripherally by a divide and draining ultimately to a particular watercourse or body of water
the Mississippi River watershed

3. a crucial dividing point, line, or factor turning point
This year marked a watershed for contemporary classical music in the city.
— The Chicago Tribune The spring of 1949 was, in general, a watershed in Joe Liebling's life.
— Raymond Sokolov The death of Ugandan teacher Gregory Byaruhanga at the hands of the Kenyan police has marked a watershed in the rising tension in the region and in the instability of the Kenyan regime.
— Victoria Brittain — often used before another noun
a watershed momenta watershed eventThe watershed year for science fiction must be 1968, when Stanley Kubrick's 2001: A Space Odyssey appeared, not only dramatically expanding for this kind of motion picture the potentials of film technology, but making science fiction a vehicle for both poetic vision and metaphysical exploration.
— Ira Konigsberg

4. the time of day after which television programs not appropriate for children may be broadcast
the nine o'clock watershed

5. an area of tissue (as of the brain or colon) that is located at the periphery of two separate arterial systems, is dependent on both for blood supply, and may be poorly perfused and vulnerable to ischemia —usually used before another noun
Brain imaging of patients with vascular dementia typically show small strokes or poor blood supply deep in the brain, at the natural terminal (the so-called watershed area) of the blood vessel.
— Renee Meyer… cell death caused by blocked blood flow in the brain's "watershed" region, where two arteries supply blood.
— Susan Scutti — see also watershed infarction

6. a time when an important change happens

7. a line of hills or mountains from which rivers drain a ridge between two rivers

8. the area of land that includes a particular river or lake and all the rivers, streams, etc., that flow into it

9. a dividing ridge (as a mountain range) separating one drainage area from others

10. the whole area that drains into a lake or river

英汉例句

• The slight edge-effects in the upper part of the water shed indicate favorable habitat and high biodiversity.

  流域上段较低的边缘效应，使之具有良好的生境质量和较高的生物多样性。

• The water shed from the bathroom.

  水是从浴室中溢出来的。

• Discussion on sustainable development and exploitation of water resource in Jinghe water shed in Pingliang district

  平凉地区泾河流域水资源可持续开发探讨

相似词

climacteric关键的；更年期的；重要时期的；（果实成熟时）呼吸跃变的

climax高潮；顶点；层进法；极点

corner角落，拐角处；地区，偏僻处；困境，窘境

landmark（瑞典、挪）兰德马克（人名）

milepost里程碑；里程标志

milestone(Milestone) 迈尔斯通（人名）

turning point转折点