Nitrogen
[ 'naɪtrədʒən ]
第3级
其它 Other
n. [化]氮，氮气;
💡 词根助记
nitro硝基+gen出生，产生→氮
📝 例句
Excessive application of nitrogen fertilizers results in tardy bearing.
施用过量的氮肥结果使树延迟结果。
The effect of nitrogen can be overcome by sheathing the flame in argon.
氮的影响则可以通过用氩气包覆火焰而予以克服。
Among the blue-green algae are many species of nitrogen fixation.
许多种蓝藻有固氮的能力。
Cyanide can serve as precursor for the amide nitrogen of asparagine.
氰化物可以作一个天门冬酰胺的酰胺氮前体。
Mycorhizae perform the function of nitrogen fixation and storage.
菌根起着固氮和贮氮的作用。
🌱 联想助记
【记】谐音“乃纯净”:此乃纯净氮
✅ 同义词
🔤 词根
-gener-表示“出生”
常见变体有-gen-、-gin-、-gn-
📖 牛津释义
nitrogen
n[U]
chemical element, a gas without colour, taste or smell that forms about four-fifths of the atmosphere 氮. =>App 10 见附录10.
🎯 考研助记
nitro(硝石)+gen(产生):硝石产生 氮
🔁 扩展释义
*['naitrәdʒәn]n. 氮【化】 氮N-2【医】 氮(7号元素)
🌿 同词根单词
📖 同为「CET-4」词汇
查看全部CET-4词汇 ›🗣️ 情景例句
You don't keep your word. Why didn't you tell me then? I've been looking forward to it. How can you change your mind at last minute?
你不守信用。为什么那时不告诉我呢？我一直都盼望着它呢。你怎么能在最后时刻改变主意呢？
What a great teacher!
多么高尚的老师！
All the Indins over the age of 8 had to carry their permits at all times.
所有8岁以上的印度人无论什么时候都得携带许可证。