1
ingest white arsenic
She ingested a lethal dose of white arsenic.
她摄入了致命剂量的砒霜。
砒霜；三氧化二砷；亚砷酸
先理解核心含义，再看它在真实句子里的用法。
砒霜；三氧化二砷；亚砷酸
arsenic trioxide, arsenious acid
She ingested a lethal dose of white arsenic.
她摄入了致命剂量的砒霜。
三氧化二砷,亚砷酸
arsenic trioxide, arsenious acid
White arsenic is a white, powdery substance that was once used in some paints and dyes.
砒霜是一种白色粉末状物质，曾用于某些油漆和染料中。
The lab assistant carefully stored the white arsenic in a locked cabinet.
实验室助理小心地将砒霜存放在一个带锁的柜子里。
The teacher explained that white arsenic is a compound of arsenic and oxygen.
老师解释说，砒霜是砷和氧的化合物。
She ingested a lethal dose of white arsenic.
她摄入了致命剂量的砒霜。
The animals were poisoned with white arsenic.
这些动物被砒霜毒害。
Some pesticides contain white arsenic.
一些杀虫剂含有砒霜。
常见搭配为highly或extremely。
White arsenic is highly toxic.
砒霜是剧毒的。
Not this
He used a white arsenic to poison the rat.
Use this
He used white arsenic to poison the rat.
“white arsenic”是不可数名词，不能加不定冠词a。
Not this
He was poisoned by arsenic.
Use this
He was poisoned by white arsenic.
“white arsenic”特指砒霜（三氧化二砷），而“arsenic”可指多种砷化合物，用词应更准确。
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Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
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通常作不可数名词，指一种白色有毒粉末。
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.