风向的英文：
【机】 air course

A straw shows which way the wind blows.
草动知风向/见微知著。

The wind will south this evening.
今天傍晚，风向将转南。

To the windward side.
迎风，向风对着风向的一边

(of wind)change gradually in an anti-clockwise direction(eg from E to NE to N)
(指风向)循反时针方向逐渐改变(如由东风转为东北风再转为北风).

The wind veers aft and hauls forward.
风向忽前忽后。

A shift in the wind.
风向的改变

The wind chopped back to S. E.
风向突然转回东南。

The direction of the wind is constantly changing.
风向不断变化。

I am afraid the wind may chop about towards evening
傍晚风向恐怕会改变。

A ship standing to windward.
朝着风向航行的航

There was not a breath in the air.
一丝风也没有。

a nip in the air
空气中有一种刺肤的寒冷

To fish in the air
海底捞月

Clean the air intakes regularly for sufficient air flow
定期清理进风口以保证有足够的空气流量

The switch hovered in the air.
鞭子在空中摇晃。

a bobsleigh course
大雪橇滑道

It is not, of course, exhaustive
当然这是不够详尽的。

In college, English is a required course and psychology is an elective course.
在大学里，英语是必修课而心理学是选修课。

The checks are all good, of course.
当然，这些支票是完全有效的。

Of course, this can be abused.
当然了，这样还是可能会被滥用。