n. 【化学】砷，信石，砒霜。 adj. 砷的。 arsenic acid 砷酸。 white arsenic 砒霜。
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 同义词：As, atomic number 33,
a white powdered poisonous trioxide of arsenic; used in manufacturing glass and as a pesticide (rat poison) and weed killer 同义词：arsenic trioxide, arsenous anhydride, arsenous oxide, white arsenic, ratsbane,
Arsenic is a chemical element with symbol?As and atomic number?33. Arsenic occurs in many minerals, usually in conjunction with sulfur and metals, and also as a pure elemental crystal.
例句与用法
1.
Strychnine , arsenic , and opium are poison . 马钱子碱、砷和鸦片都是毒药。
2.
An arsenic atom can take the place of a germanium atom in the lattice . 一个砷原子能取代点阵子中的锗原子
3.
A generalized model for cluster formation of arsenic atoms has been derived . 砷原子生成聚集群团的一般模型已经导出。
4.
Arsenic is widely associated with the manufacture of herbicides and pesticides . 砷广泛地应用于除草剂和杀虫剂的制造中。
5.
The soluble concentration of arsenic is dependent upon both chemical form and wastewater ph . 砷的溶解度取决于其化学形态和废水的PH值。
6.
Only a careful physical search for a source of arsenic can provide this information . 只有仔细扎实地寻找砷的来源才能提供这方面的资料。
7.
Plants generally absorb and translocate relatively small amounts of arsenic into aboveground parts . 植物常常将少量的砷吸收和转移到地上部分。
8.
The arsenic atoms will be uniformly distributed throughout the crystal when the sample solidifies . 当样品凝固时，砷原子将在整个晶体中均匀分布。
9.
Major treatment methods for arsenic include sulfide precipitation, or complexation with polyvalent heavy metals . 砷的主要处理方法有硫化物沉淀法，或与多价重金属络合。
10.
the principal aqueous forms of arsenic are the arsenite ion(as )and the arsenate ion(as). 砷在液体中的主要形态是亚砷酸离子（As）和砷酸离子（As）。
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