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单词 nitrous oxide
释义

nitrous oxide

1 ENTRIES FOUND:
nitrous oxide /ˈnaɪtrəs-/ noun
nitrous oxide
/ˈnaɪtrəs-/
noun
Learner's definition of NITROUS OXIDE
[noncount]
: a gas that is used by dentists to keep patients from feeling pain一氧化二氮,笑气(牙医用作麻醉剂)
called also laughing gas
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更新时间:2025/1/10 3:58:26