Methyl butene
[建] 甲基丁烯
🧩 词语组成解析
n. 甲基\\n[化] 甲基
n. [化]丁烯
🗣️ 情景例句
I'm planning to run for the school board.
我打算竞选联合校董会董事。
This offer is firm subject to your acceptance reaching us not later than December 15.
此报盘为实盘，但以我方在12月15日前收到你方答复为准。
It is no use inviting the politician or the professional or business man,
同样也是无益的，对于政界人士、专业技术人员、商人来说，