Densofacies
变质相
🗣️ 情景例句
Men and women, young and old, to give us their time.
不管男女老幼 ，请他们贡献时间。
Don't tell anyone!
不要告诉别人喔！
The clouds had come down so suddenly we had no warning.
乌云突然出现，我们丝毫没有觉察。