a white powdered poisonous trioxide of arsenic; used in manufacturing glass and as a pesticide (rat poison) and weed killer
a very poisonous metallic element that has three allotropic forms; arsenic and arsenic compounds are used as herbicides and insecticides and various alloys; found in arsenopyrite and orpiment and realgar
例句
用作名词 (n.)
Vermilion contains heavy metal arsenic and mercury. 朱砂含有重金属砷和汞。
By this theory, human activity is aggravating the arsenic problem. 根据这个理论,人类活动恶化了砷污染问题。
His wife poisoned him with arsenic. 他妻子用砒霜把他毒死了。
Analysis showed that traces of arsenic were present in the body. 分析显示,尸体中有微量砒霜。
用作形容词 (adj.)
Trivalent arsenic was more clastogenic than pentavalent arsenic. 三价砷的致染色体畸变作用大于五价砷。
Arsenic in whole blood was determined directly by GF AAS. 研究了石墨炉原子吸收光谱法测定全血中砷的方法。
Geologists agree that the risk of arsenic in deep aquifers is low, but before a few million such tubewells are dug, they need to be absolutely sure. 地质学家认同较深那一层含砷的风险低,不过,在开凿几百万个深管式井泵之前,这件事必须绝对确认。