🧩 词语组成解析
🗣️ 情景例句
Speaking of mother and of father
谈到孩子的爸， 孩子的妈，
I'd like to know something about your foreign trade policy.
我非常想了解有关贵国对外贸易的政策。
Are these bags heavy? No, they're light.
不，是轻的。