Acylal
缩羰(基)酯
🗣️ 情景例句
You'll never guess what happened the other day!
你永远也猜不到前几天发生什么事了！
One woman, in Peru, was saved from an earthquake by lying between two mattresses.
秘鲁的一位妇女，躲在垫子之间从地震中死里逃生。
there is no evidence that the total amount of activity is any less.
但没有迹象表明，其活动总量有任何减少。