Diazotability
重氮化本領
??? 情景例句
He's busy preparing for class.
他忙著準備功課。
For ￡300 to London, the commiossion is 3, please.
匯款300英鎊到倫敦，費用為3英鎊。
The police were called in, but they could not arrest anyone,
警察被召來了，但他們卻不能逮捕任何人，