Aeroshells
n. （航天器軟著陸時用的）減速傘
??? 情景例句
You should save some money in case of urgent need.
你應(yīng)該存點錢以備不時之需。
I went to sleep immediately and slept soundly all night.
我很快地入睡了并且整夜酣睡。
I have never been abroad.
我沒邁出過國門半步。