Aethyl mercaptan
[医] 乙硫醇
🧩 词语组成解析
[医] 乙基
n. [化]硫醇
🗣️ 情景例句
Too easy?
太简单？
Better be the head of the yeomanry than the tail of the gentry.
宁作自由民之首，不为贵族之尾。
The lady who is standing behind the counter.
站在柜台后面的那位女士。