Changing
v. 交换；兑换；改变（change的ing形式）
✅ 同义词
🔴 反义词
🗣️ 情景例句
He is liked very much because of his courtesy.
他由于彬彬有礼而颇获好感。
How many pieces are you going to buy?
你要买几块？
It's a fine day today, and everyone is busy.
今天的天气很好，大家都很忙。