Dimethylthianthrene
[醫] 二甲基噻蒽(滅疥油的有效成分)
??? 情景例句
Don't worry, Richard.
別擔心， Richard。
Day and night.
沒日沒夜。
Why isn't Mrs. Lee's cat catching the mice?
李太太的貓為何不在抓這些老鼠呢？