Nrc
国家研究委员会
🗣️ 情景例句
Perhaps I will.
也许吧。
When the cat's away,the mice will play.
猫儿不在家，老鼠就玩耍；猫儿不在耗子闹。
I really ought to go and have my eyes tested.
我确实该去检查一下我的眼睛了。