Ester exchange(reaction)
[化] 酯交换
🧩 词语组成解析
n. 酯\\n[化] 酯
🗣️ 情景例句
How long will it take for my mail to reach its destination?
我的信件到达目的地要多久？
It won't happen again.
下不为例。
We both tried to get the coins, but it was too late.
我们俩都试图把这两枚硬币拿出来，但太迟了。