nitrogen的意思

基本释义

• n 氮

  a gas that has no colour or smell, and that forms most of the Earth’s air. It is a chemical element: symbol N

例句

1. Well, we know nitrogen has what?

   对于氮气我们知道什么？

2. The plant requires nitrogen in order to make proteins.

   植物需要氮以便制造蛋白质。

3. All of these from the group one and two through the group five and six elements, but what about elements, what about molecules like hydrogen, or nitrogen, or maybe oxygen?

   所有的这些都是来自于第一主族和第二组主族,到第五主族和第六组主族的悬殊，那么元素呢，比如氢气，氮气或氧气那样的分子呢？

短语

• ammonia nitrogen 氨氮；氨型氮，氨基氮
• nitrogen content 含氮量；总氮量
• total nitrogen 总氮，总氮量
• nitrogen fertilizer 氮肥；氮肥肥料
• liquid nitrogen 液氮

近义词

同根词