Tetragonal system
[化] 四方晶系
🧩 词语组成解析
a. 四角形的
🗣️ 情景例句
My parents set aside a college savings fund for me.
我的父母为我存了一笔上学的费用。
We learn not at school, but in life.
学习不在校，而在生活中。
I didn't have a penny the last time I saw you.
上次我见到你时，我连一个铜板也没有。