🧩 词语组成解析
n. [化]酰基
🗣️ 情景例句
Where did this money come from?
这些钱从哪来？
It's impossible. You may notice that the cost of raw materials has gone up in recent years.
不可能，您可能注意到了近年来原材料的价格上涨了。
I bought some this morning. It's in the fridge.
我今天早晨买了一些。在冰箱里。