Underclasses
(underclass 的复数) n. 低年级学生
🗣️ 情景例句
What storage capacity do you need?
你想要多大容量的硬盘？
We used to go to the movies about once a week.
我们过去常一个星期大约去看一次电影。
An ocean wave passing through deep water causes a particle on the surface to move in a roughly circular orbit,
穿过深水的海浪使水面上的一个微粒按照一种近乎圆形的轨道移动，