Ethacetic acid
[化] 丁酸; 正丁酸
🧩 词语组成解析
🗣️ 情景例句
and he doesn't get to use it.
却又用不上。
She's head over heels in love with him.
她深深地爱上了他。
He then changed into overalls and spent the next eight hours as a dustman.
然后换上工作服，当8个小时清洁工。