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
Hi,Carl. Have you ordered yet?
嗨，卡尔，你点菜了吗？
This person recognized the words for river and guitar, and so Haley thought that his ancestor must have come from Gambia.
这个人认出了表示“江”和“吉他”的这两个词，于是哈利就认为他的祖先准是来自冈比亚。
One moment we were walking along the top of a hill and now we could see no more than about thirty metres ahead of us.
一时间我们还在山顶上行走，而现在30公尺开外的地方我们都看不清了。