moiety system
基本释义
[网络] 部族制
实用场景例句
学术讨论
We reached the ninth chapter of the book.
我们读到了书的第九章。
日常对话
The ninth grade students are in the library.
九年级学生在图书馆。
校园生活
It was her ninth birthday today.
今天是她的第九个生日。
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