Tetr-
abbr. 四边形的（tetragonal）
🧩 词语组成解析
🗣️ 情景例句
I gave that idea up a long time ago.
我很久以前就放弃了那个想法了。
Excuse me for bothering you.
打扰了！
Dan wondered why he was wanted by the police, but he went to the station yesterday and now he is not worried anymore.
丹奇怪警察为什么找他，但昨天还是去了，结果他一再担心了。