在海洋退回到主要的海洋盆地之前，每日天气和季节性气候发生了剧烈的变化。
Extreme changes in daily and seasonal climates preceded the retreat of the seas back into the major ocean basins.
天气这样变化无常，令人大惑不解，第一天闷热，第二天又几乎回到了冬天。
These constant changes in the WEather beat me; one day it's sWEltering hot, and the next WE're almost back to winter temperature.
应用推荐