Dihydroxytropane
二羟基托烷
🗣️ 情景例句
We were all sorry when we heard that your brother had had an accident.
我对你弟弟的意外感到遗憾。
Every day of thy life is a leaf in thy history.
生命中的一天就是你历史上的一页。
What do you think?
你怎么认为？