Diarrhoeal
a. 腹瀉
? 同義詞
??? 情景例句
Exploring outer space is a challenge to mankind.
探索外層空間是一項(xiàng)向人類發(fā)出的挑戰(zhàn)。
I only had five dollars.
我只剩五美元。
I've written a cheque for you.
我給你開了一張支票。