middle school 这是个词组 为什么school不加s又没说是单数

middle school 的同义词组是? middle school 这是个词组 为什么school不加s又没说是单数 middle school middle school middle school 是中学, My Middle School Life middle school英语作文 no.5 middle school my middle school是什么意思 middle school days my middle school作文 No.1 middle school, middle school 造句中文 这三个词组有什么区别?Middle SchoolSecondary SchoolSenior School这三个词组的意思有什么区别?“高中”的正确英文翻译应该是怎样的? in a middle school 还是 in middle school middle school还是Middle School 为什么?什么情况下用? in a middle school 还是in the middle school? play against同义词组our team will play against the team from no.2 middle school.our team will __ __ __ __the team from no.2 middle school.