Mesulphen
二甲基硫蒽
🗣️ 情景例句
That sounds exciting.
听起来怪热闹的。
I can't seem to get to sleep.
我好象睡不着。
After consulting my railway timetable, I noted with satisfaction that there was an express train to Westhaven.
我查看了列车时刻表，满意地了解到有一趟去威斯特海温的快车。