Dibutyl sulfone
[化] 二丁砜
🧩 词语组成解析
[机] 二丁基
n. <美> = sulphone
🗣️ 情景例句
We are lucky to have you, Marilyn.
拥有你是我们的幸运， Marilyn。
But after one week and I still hadn't made a single sale, my heart was in my boots.
但过了一星期还没有做成一笔生意，我感到十分焦急。
She hired a car by the hour.
她租了一辆按钟点计费的汽车。