Bbh
[医][=benzene hexachloride]六六六，六氯化苯
🗣️ 情景例句
John is tied up at the present time.
John现在有事。
A man becomes learned by asking questions.
要长学问，就得多问；多问则业精。
Again the bees flew right to the dish.
蜜蜂又一次径直向碟子飞去。