Acylal
缩羰(基)酯
🗣️ 情景例句
Right now my hands are full.
现在我忙得不可开交。
Waste of time is the most extravagant and costly of all expenses.
浪费时间是一切花费中最奢侈豪华的费用。
How do you like China?
你喜欢中国吗？