| 例句 |
Nitrogen seeps into voids in the foam as it converts from liquid to gas.氮气从液态变为气态时渗入到泡沫胶体的空隙。Oxygen, hydrogen, and nitrogen are all gases.氧气、氢气和氮气都是气体。In order to decompose, all vegetable matter needs supplies of nitrogen.所有植物性物质的分解都需要氮气的供应。How much nitrogen is there in the air?空气中含有多少氮气？The earth's atmosphere is composed mainly of nitrogen, oxygen, and carbon dioxide.地球大气主要由氮气、氧气和二氧化碳组成。Saturn's moon, Titan, has an atmosphere mainly made of nitrogen.土星的卫星泰坦的大气层主要由氮气构成。 |