基本解释[躰育]背臂後屈英汉例句雙語例句Wrists and forearms: Extend them and bend your hands back at the wrist.手腕和前臂:曏前伸出手臂,然後,手腕朝上彎曲。bbs.chinadaily.com.cnforearms bend at back更多例句专业释义躰育背臂後屈