1、The quadriceps straightens the back knee.───四头肌使后腿膝盖伸直。
2、Adopt position as shown, back knee cushioned with a mat.───练习动作如图所示，后膝跪撑于垫。
3、Ten-year-old Erica Miranda was shot three times in the back, knee and hip while playing basketball outside her home in Compton.───十来岁的EricaMiranda在康普顿的家附近打篮球时被ZiDan击中背部，膝盖和臀部。
4、Don't allow back knee to touch the ground and keep hip, knee and ankle aligned facing forwards.───后膝不应接触地面，并保持髋关节，膝盖和脚踝正面朝前对齐。
5、The main injured parts were ankles, legs, lower back, knee joints, fingers and wrist joints, in which, the ankle was 129 (57. 3%).───运动损伤的部位主要集中在踝关节、腿部、腰部、膝关节、手指和腕关节等部位，其中踝关节损伤129例，占57.
6、Keep your front shin vertical, back knee straight, back heel lifted, and chest lifted.───保持前面小腿垂直地板，后膝伸直，后脚跟离地，胸腔上展。
7、The quadriceps straightens the back knee.───股四头肌使后腿膝盖伸直。
back knee（意思翻译）
[外科]膝反屈
翻膝
back knee（相似词语短语）
1、plication knee───折叠膝
2、knee breeches───n.长及膝盖的短裤
3、knee brace───n.角拉条；[机]膝形拉条；[机]角撑，隅撐
4、knee pads───n.护膝
5、deflexion knee───屈膝
6、effusion knee───膝关节积液
7、knee-high───adj.高及膝盖的
8、knee───vt.用膝盖碰；n.(Knee)人名；(英)尼；n.膝盖，膝；n.膝; （坐下时）大腿朝上的面; 膝部；v.用膝盖顶
9、abrade knee───擦伤膝盖
back knee（双语使用场景）
1、The quadriceps straightens the back knee.───四头肌使后腿膝盖伸直。
2、Adopt position as shown, back knee cushioned with a mat.───练习动作如图所示，后膝跪撑于垫。
3、Ten-year-old Erica Miranda was shot three times in the back, knee and hip while playing basketball outside her home in Compton.───十来岁的EricaMiranda在康普顿的家附近打篮球时被ZiDan击中背部，膝盖和臀部。
4、Don't allow back knee to touch the ground and keep hip, knee and ankle aligned facing forwards.───后膝不应接触地面，并保持髋关节，膝盖和脚踝正面朝前对齐。
5、The main injured parts were ankles, legs, lower back, knee joints, fingers and wrist joints, in which, the ankle was 129 (57. 3%).───运动损伤的部位主要集中在踝关节、腿部、腰部、膝关节、手指和腕关节等部位，其中踝关节损伤129例，占57.
6、Keep your front shin vertical, back knee straight, back heel lifted, and chest lifted.───保持前面小腿垂直地板，后膝伸直，后脚跟离地，胸腔上展。
7、The quadriceps straightens the back knee.───股四头肌使后腿膝盖伸直。