arsenic group

常见例句

The arsenic group(CH3)2As-.
二甲砷基砷基（CH3）2As－
A drug or preparation containing arsenic.
砷化合物含砷的药剂或制剂
Education should not be restricted to any one specific age group.
教育不应限制在任何特定的年龄组上。
His wife poisoned him with arsenic.
他妻子用砒霜把他毒死了。
He broke away from that lawless group years ago.
他在几年前脱离了那个非法团体。
The group of barbaric soldiers killed many people.
那群野蛮的士兵杀了很多人。