Pergelisol
n. [地]永久冻结带
🗣️ 情景例句
They kicked him out of the club for fighting.
他们因他打架而将他逐出俱乐部。
Who is the author of this novel?
这篇小说的作者是谁？
Once we get down to the oil, it usually flows to the surface because great pressure,
一旦到达油层，石油就会由于地下巨大的压力流到地面上来，