Macrodynamics
宏观动力学
🗣️ 情景例句
you've been writing for the school paper.
你为校刊写文章。
I can see the brown wall of dust coming toward us with the wind.
风卷起褐色的墙壁似的滚滚黄沙，向这里袭来。
All the Indins over the age of 8 had to carry their permits at all times.
所有8岁以上的印度人无论什么时候都得携带许可证。