Start on your hands and knees.Tuck your chin in toward your chest and tighten yo-ur stomach muscles while arching your back. 从双手和膝部开始。将下巴缩向胸部,收紧腹肌并弯起背部。 Hamstring Stretch 韧带伸展 Lie on your back. Bend your hip and knee t...
1. 右键点击桌面 (Right-click on Desktop) 在桌面空白处,右键点击鼠标,会弹出一个菜单。 2. 选择“个性化” (Select "Personalize") 在弹出的菜单中,选择“个性化”选项,这将打开个性化设置窗口。 3. 选择“背景” (Select "Background") 在个性化设置窗口中,左侧菜...
You are not supposed to smoke on the bus. 你不可以在公共汽车上抽烟。 不定式有时用进行形式或完成形式: She was supposed to be reading at home, but her mother found her in the park. 她本来应该在家里读书的,可是她妈妈却发现她在公园。
更多内容请点击：Exercises for Your Back背部锻炼