Ethyl orthocarbonate
[化] 原碳酸乙酯
🧩 词语组成解析
[化] 乙基\\n[医] 乙基
🗣️ 情景例句
To do what?
做什么呢？
One foe is too many; and a hundred friends too few.
朋友成百犹觉少，仇敌一人已嫌多。
The daily exercises lasted only eleven minutes and I proposed to do them early in the morning before anyone had got up.
早锻炼一共只有11分钟，我打算在别人起床之前进行。