arsenic trioxide
n. 砒霜, 三氧化二砷
例句与用法:
A drug or preparation containing arsenic.
砷化合物含砷的药剂或制剂
His wife poisoned him with arsenic.
他妻子用砒霜把他毒死了。
The analysis showed a few grains of arsenic in the solution.
分析显示溶液中有几格令的砷。