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- Carbon dioxide is like nitrogen in many ways, but if it is mixed with limewater, it causes the clear liquid to because milky, while nitrogen dose not.This is the test for carbon dioxide. 二氧化碳在许多方面类似于氮气，但如果它与石灰水混合，它就使清澈的液体变成乳状液，而氮气不能，由此可以鉴别热氧化碳。
- Air consists chiefly of nitrogen. 空气主要由氮气组成。
- A dose of this stuff will purge you! 这种药只须一剂就能让你通便！
- Give him the dose of his own medicine. [谚]以其人之道还治其人之身。
- Nitrogen forms most of the Earth's air. 地球上空气的大部分成分是氮气。
- Give him another dose----then he'll fetch up. 再给他服一剂药，他就会苏醒过来了。
- The lamp is full of gaseous nitrogen. 灯里充满了气体氮。
- The doctor prescribed an oral dose of medicine. 医生开了一剂口服药。
- Failing the exam was a hard dose to swallow. 考试不及格是一服难咽的苦药。
- Dose this red go well with that yellow? 这一红色是不是同那一黄色相配？
- Nitrogen forms about 78% of the earth's atmosphere. 氮约占地球大气的百分之七十八。
- Nitrogen dose 氮肥水平
- Take one dose of this cough syrup three times a day. 每天服三次这种止咳糖浆，每次服一剂量。
- In the accident, the workers received a heavy dose of radiation. 在这次事故中，工人受到大剂量的辐射。
- A dose of this medicine will put you right. 这药你只要服一剂，你的病就会好的。
- Will you sunder nitrogen from air? 你能从空气中把氮气分离出来吗?
- Take one dose of the medicine at bedtime. 就寝时服用该药一次。
- Nitrogen is the most commonly used gas. 氮气是最常用的气体。
- A dose of poison made the noisy man's nose rosy. 一剂毒药使得吵闹的男子的鼻子变成玫瑰色。
- Sample gas tubes are flushed with nitrogen. 采气管得用氮气吹扫。
