Tetrabromopyrrol
四溴吡咯
??? 情景例句
Dad works hard, and he works late.
爸爸工作忙， 而且忙到很晚。
Poverty is no sin.
貧窮不是罪惡。
At the moment in my country there are very few such schools.
目前在我國這類學校太少了。