Dimethylarsine
[醫] 二甲胂
??? 情景例句
you spend with Dad and me ... and the family.
你和父親， 我及全家人共度的。
We want to strengthen our ties with the United States.
我們想加強和美國的關系。
Busmen have decided to go on strike next week.
公共汽車司機決定下星期罷工。