Reciprocality
相互\\n互惠
✅ 同义词
🗣️ 情景例句
You look as fit as a fiddle.
你看起来非常健康。
I am not sure such data does exist.
我不确定是否有这样的资料存在。
He called out to the children and threw the ball back to the bank.
他大声叫着那些孩子，把球扔回到岸上。