Tetragonal
a. 四角形的
🗣️ 情景例句
Well, that sounds very exciting,
嗯 听起来很令人兴奋。
We used to have a lot of fun when we were that age.
当我们是变老时，我们过去常有很多趣事。
If you put on C.O.D., we'll have to go elsewhere.
如果你要C.O.D.的话，我们只有找别家公司。