英语词汇“What grade are they in?”的翻译、意思、用法、释义-英汉汉英双解词典

单词	What grade are they in?
释义	What grade are they in? 他们是几年级的？
随便看	yoke back yoke back chair yoke balance yoke bar yoke bearing cap yoke board yoke bolt yokebone yoke bone yoke cam yoke-cam yoke cap yoke clamp yoke connector yoke control yoke core yoke current yoked Yoke darter yoked basin yoked bottle yoked connecting rod yoked control yoked control animal yoke deflection coil