| 单词 | arsenous oxide |
| 释义 | arsenous oxide (once / 11819311 pages) n WORD FAMILY arsenous oxide n a white powdered poisonous trioxide of arsenic; used in manufacturing glass and as a pesticide (rat poison) and weed killer Syn|Hyper arsenic, arsenic trioxide, arsenous anhydride, ratsbane, white arsenic trioxide an oxide containing three atoms of oxygen in the molecule |
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