Ethyl ether-boron trifluoride complex
[建] 三氟化硼醚化物
🧩 词语组成解析
[化] 乙基\\n[医] 乙基
ether
['i:θə]
n. <化>醚;the ether 苍穹;苍天;太空;
boron
[['bɔ:rɔn]]
n. 硼\\n[化] 硼B
三氟化物
🗣️ 情景例句
You first, Audrey.
你先来， Audrey。
I asked him to do it for me, but he wouldn't.
我请他帮我做，但是他不肯。
English is spoken as a first language by most people in the USA, Great Britain, Canada, Australia and New Zealand.
在美国、英国、加拿大、澳大利亚和新西兰，大多数人都把英语做为第一语言。