n.静坐抗议;静坐罢工;
例句:
Let's sit in the shade and keep cool.
我们坐到树荫下去凉爽凉爽 吧.
I shall sit in for you while you go to the shops.
你去商店时我会替你的.
There is nowhere for us to sit in here.
这里没我们坐的地方啦!