基本解释[体育]背臂后屈英汉例句双语例句Wrists and forearms: Extend them and bend your hands back at the wrist.手腕和前臂:向前伸出手臂,然后,手腕朝上弯曲。bbs.chinadaily.com.cnforearms bend at back更多例句专业释义体育背臂后屈