Rechallenge
激發(fā)試驗(yàn)
??? 情景例句
We did?
我們忘了嗎？
Not let the grass grow under one's feet.
不失時(shí)機(jī)。
It may also be said that rational, industrious,useful.
也可以這樣說，理智的、勤勞的、有用的。