Densofacies
变质相
🗣️ 情景例句
Let's go.
我们走。
For my math requirements, I'll be taking algebra, calculus, and trig.
数学的必修学分预定选代数、微积分、三角法。
He did not marry again and I was brought up without a woman's care;
父亲没有再娶，因此，我在没有母亲的环境里长大成人。