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Alternative spelling of 一瘤駱駝 (“dromedary”) (Camelus dromedarius, the single-humped camel)
亜酸化窒素: nitrous oxide
calmly, composed, quiet
(rare, obsolete) to trade, to engage in trade, particularly internationally
Nitrous oxide can be used for anesthesia and to boost engine power.
一氧化二氮有时会被用于麻醉或提升发动机的动力。
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