Crada
abbr. cooperative research and development agreement 合作研究和發(fā)展合約
??? 情景例句
That is fantastic, John!
那太好了， John。
I'm really sorry, but I seem to have misplaced your scarf.
真對(duì)不起，我忘記把你的圍巾對(duì)丟在什么地方了。
This bedroom's very untidy.
這臥室太不整潔了。