Tetragonal
a. 四角形的
🗣️ 情景例句
Garbage and chemical waste are destroying our water.
垃圾和化学废物正在破坏我们的水资源。
We're having a little get-together Friday night.
周五晚上我们有个小派对。
There is no one but hopes to be rich.
没有人不想发财。