The aerosol grain in atmosphere is formed by agglomeration of polargas, distributing in a triple peak pattern.
环境空气中气溶胶粒子是由极性气体凝聚而成，呈三峰型分布。
2
The retreat of the polar ice cap is making the region easier to work in, and there is thought to be lots of oil and gas to tap.
北极冰盖的消融使得在该地区作业较为容易，而且该地区储藏有大量可开发的石油和天然气。
3
A rare galaxy type, polar ring galaxies have a substantial population of stars, gas, and dust orbiting in rings nearly perpendicular to the plane of the galactic disk.