Ethylidene diacetate
[化] 1,1-二乙酰氧基乙烷; 二乙酸亚乙基酯
🧩 词语组成解析
diethyl ether[化]乙缩醛
[有化]双乙酸盐[酯]
🗣️ 情景例句
Ten o'clock,
十点钟，
Who is speaking?
请问是谁打来的？
It was a Sunday in May. My brother and I had decided to go off for a long walk while we were staying with my grandparents in the French countryside.
5月的一个星期天，我和弟弟决定去远足。当时我们住在法国乡下的祖父母家中。