trough基本解释
n.水槽；马槽；低谷；低潮
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第三人称复数：troughs
n.水槽；马槽；低谷；低潮
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第三人称复数：troughs
noun
1. a channel along the eaves or on the roof
collects and carries away rainwater
Synonym: gutter
2. a container (usually in a barn or stable) from which cattle or horses feed
Synonym: manger
3. a long narrow shallow receptacle
4. a narrow depression (as in the earth or between ocean waves or in the ocean bed)
5. a treasury for government funds
Synonym: public treasurytill
6. a concave shape with an open top
Synonym: bowl
1. (喂家畜的)饲料槽，饮水槽
A trough is a long narrow container from which farm animals drink or eat.
e.g. The old stone cattle trough still sits by the main entrance.
陈旧的石制牛食槽仍然放在大门口。
2. (两个大浪之间的)波谷
A trough is a low area between two big waves on the sea.
e.g. The boat rolled heavily in the troughs between the waves.
船在波涛起伏的海浪中剧烈摇摆。
3. (商业活动等的)淡季，低谷
A trough is a low point in a process that has regular high and low points, for example a period in business when people do not produce as much as usual.
trough的反义词
e.g. Looking back afterwards you will see that this was not a terminal trough in your career...
今后回想起来你就会明白，这并非你事业中一蹶不振的低谷。
e.g. American bank shares have risen by 60% since their trough last October.
美国的银行股自从去年 10 月跌入低谷以来已经上涨了 60%。
4. 低压槽
A trough of low pressure is a long narrow area of low air pressure between two areas of higher pressure.
e.g. The trough of low pressure extended over about 1000 kilometres.
低压槽延伸约 1,000 公里。
1. 槽：给出一个半圆柱槽(trough)的图形(圆柱沿直径竖着切一半),告诉直径是2,半圆柱的容积是32,求长度. 参考答案:64/Pi
2. 低压槽：第二阶段是,当某些涡流微弱到同时被喷射气流中偶尔出现的低压槽(trough)或洛士贝波(Rossby waves)困住时,反而会合而为一. 因此,捕获、合并的过程不断进行,直到每条涡流带只剩一对涡流为止. 如上图,DE大白斑於1997~1998年时消失,
3. 水槽：然后通过一个通电的水槽(trough),这个水槽的高度设计的正好可以淹没鸡的脖子,使用的电压同样不是为了杀死,而是为了击昏鸡. 过了这道关,生产线就安静多了,乱扑哒的鸡绝大多数都已经被击昏,彻底瘫痪了,肌肉很放松,使后来的脱毛很方便.
Pigs lined the troughs, jostling, squealing, eating their swill.
出自：I. WallaceWater..brought specially from the trough in the centre of town.
出自：R. Fraser
