Diethylester
二乙酯
🗣️ 情景例句
As you see, the goods we ordered are seasonal goods.
你知道，我们这批货物是季节性的。
That's a beautiful leather wallet,but it costs too much.
那是一个美丽的皮革钱包，但是它太贵了。
Is there a ball under the table?
桌子上有一只球吗？