
好词典

源自希腊语 'aithēr',意为“上层空气”或“纯净的天空”,后用于化学命名。
❶ 醚类化合物,一类有机化合物,由两个烃基通过氧原子连接而成,常用于溶剂或麻醉剂。
“Diethyl ether was once widely used as an anesthetic.”
(乙醚曾广泛用作麻醉剂。)
“Ethers are less reactive than alcohols.”
(醚类的反应性比醇类低。)
ethyl ether — 乙醚,一种常见的醚类化合物,曾用作麻醉剂和溶剂。
“Ethyl ether was commonly used in early surgical procedures.”
(乙醚在早期外科手术中常用作麻醉剂。)