Mercaptol
[化]縮硫醇
??? 情景例句
He's not making much progress with his English.
他的英語進步不大。
He wants to change his appointment from Monday to Wednesday.
他想要把他的約會從星期一改到星期三。
A young man sees a sunset and, unable to understand or to express the emotion that it rouses in him,
一個年輕人看到日落，由于無法理解和表達日落在他心中喚起的激情，