glacial periods

同根派生

Two thirds of the continent was covered in ice during glacial periods.
該大陸的三分之二地區(qū)在冰河時代被冰覆蓋著。
Relating to or occurring during the time following a glacial period.
冰期後的與冰期後的時期有關(guān)的，或在冰期後的時期裡發(fā)生的
Two thirds of the continent is covered in ice during glacial period.
該大陸的三分之二地區(qū)在冰河時代被冰覆蓋著。
It is concluded from our study results that the coastal dunes outside the Qilihai lagoon are inherited dune complex formed from the eolian dunes in the last glacial period.
研究認(rèn)爲(wèi)，七裡海外的海岸沙丘群是在末次冰期時期風(fēng)成沙丘群的基礎(chǔ)上縯化形成的繼承性沙丘綜郃躰。
Stratospheric ice clouds promoted the destruction of ozone radiation shielding of the Earth resulting in biotic catastrophes which usually follow the glacial periods.
平流層冰雲(yún)促進(jìn)了對臭氧輻射盾牌的破壞，從而導(dǎo)致繼冰期之後的生物災(zāi)難。