Phrase
arsenic trioxide
noun
三氧化二砷；砒霜
A highly toxic, industrially important oxide of arsenic with the formula As2O3, occurring as the mineral claudetite.
- 1.
An industrially important and highly toxic oxide of arsenic that occurs as the mineral claudetite; formula As2O3 (though in liquid, gaseous and some solid forms it has molecules of the form As4O6).
三氧化二砷；砒霜(剧毒砷氧化物,As2O3)。
三氧化二砷；砒霜(剧毒砷氧化物,As2O3)。；三氧化二砷；[医] 三氧化二砷
In use
In the 19th century, arsenic trioxide was commonly used in wallpaper pigment.
The chemistry professor warned that arsenic trioxide is highly toxic and must be handled carefully.
The poison in the novel was identified as arsenic trioxide, also known as white arsenic.
administer [drug] to [patient]
常用于医学处方语境。
The doctor administered arsenic trioxide to the patient.
医生给患者服用了三氧化二砷。
treat [patient] with [drug]
被动式也很常见：be treated with。
They treated the patient with arsenic trioxide.
他们用三氧化二砷治疗患者。
use [drug] for [purpose]
用途描述，后接动名词或名词。
Connections
Learner notes
Grammar Note
通常用作不可数名词，指一种化合物。
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.