Methanthiol
(=methyl mercaptan)甲硫醇
🗣️ 情景例句
Speaking of school, how are your grades this term?
谈到学业，你这学期的成绩如何？
After forty years teaching English he thinks it's time to call it a day.
他教英语四十年，认为该退休了。
He was still smiling when the door opened and his wife came in.
他正笑着的时候门开了，他的妻子走了进来。