Dibutyl carbitol(dbc)
[化] 二丁基卡必醇
🧩 词语组成解析
[机] 二丁基
🗣️ 情景例句
Pull yourself together.
振作起来。
How fast?
多快？
Ken gave up smoking two years ago. He'd been smoking for thirty years.
两年前肯戒了烟，之前他抽了三十年烟。