Dimethylthianthrene
[医] 二甲基噻蒽(灭疥油的有效成分)
🗣️ 情景例句
Don't waste your breath trying to persuade them, they'll never listen.
别白费口舌规劝他们，他们不会听你的话。
He is not in now.
他现在不在这里。
Who was first? Who was second? Who was third?
谁是第一？谁是第二？谁是第三？