Metacenter
n. 定倾中心, 外心点
🗣️ 情景例句
I have a lost dog I'd like to bring to you.
我这儿有一只失散的狗，我想送来给你们。
I know the boy whose father is a policeman.
我知道那个男孩的父亲是警察。
I turned round.I looked at the man and the woman angrily.
我回过头去怒视着那一男一女，