Tetr-
abbr. 四边形的（tetragonal）
🧩 词语组成解析
🗣️ 情景例句
Are you traveling alone or whth a friend?
你是一个人旅行还是结伴旅游？
She is very fed up about it.
她对此非常不满。
I fell in love with her at first sight.
我第一眼见到她就爱上了她。