Ester ether
[化] 醚酯(又是醚又是酯)
🧩 词语组成解析
n. 酯\\n[化] 酯
ether
['i:θə]
n. <化>醚;the ether 苍穹;苍天;太空;
🗣️ 情景例句
Thanks for your understanding and cooperation.
谢谢你的理解和合作。
Which one is more economical?
哪一个是比较经济的？
What was the population of the more developed countries in 1950?
1950年较发达国家的人口是多少？