音标：['rætsbein] ；

n. 灭鼠药
[医] 毒鼠药(尤指白砷)

n a white powdered poisonous trioxide of arsenic; used in manufacturing glass and as a pesticide (rat poison) and weed killer

词型变化：名词复数形式 : ratsbanes

【近义词】

white arsenic砒霜
arsenic砷
arsenic trioxide砒霜
arsenous anhydride亚砷酸酐
arsenous oxide三氧化二砷

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学英语单词

.tc

absolute colcmun temperature