The power machine is run by a foot treadle and USES a knee lift to raise and lower the presser foot.
工业缝纫机是通过压脚启动的，用膝盖运动抬起压脚或降落压脚。
Instead, efficient endurance running requires just a slight knee lift, a quick leg turnover, and a short stride.
相反，有效的长距离跑步只需要稍微的抬腿、很快的步频和短步幅。
Lift your knee higher than you usually do when you are running.
当你跑步时，把你的膝盖抬得比平时高一些。
With one knee resting on the floor, tighten your core muscles - including the muscles in your abdomen, back and pelvis - and lift the object between your legs.
单膝着地，收紧你的核心肌肉——包括腹部、背部和骨盆的肌肉，然后在两腿之间抬起物品。
Another common mistake is people's knees extend past their toes, placing stress on the knee, or their heels lift off the ground making them unbalanced.
另一个常见的错误即是膝盖超过脚趾，使膝盖受压、脚后跟离地，导致失去平衡。
膝关节上提。
Lift your right knee until your thigh is parallel to the floor and raise your arms overhead, palms facing in.
抬高右膝，直到大腿与地面平行，双臂举过头顶，手心相对。
Inhale, lift left leg, bending right knee to his right foot plate support to live right thigh.
吸气，抬起左腿，弯曲右膝，以右脚板支撑住右大腿。
This paper introduces a hydraulic lift device with knee-jointed short flat pallet for repair of automobile, its operation and control principle, performance and characteristics are briefly related.
介绍一种通用性好、使用操作方便的新型短平台铰接式汽车维修液压举升装置，阐述其工作原理及性能特点。
Or sit in a chair and lift your legs one at a time at the knee.
或坐在椅子上轮流将两腿膝盖抬高。
Lift heel off the ground by bending the knee and strike the heel sharply down and up.
脚跟抬高由上往下敲击地板结束时脚掌停留在地板。
Firm your thigh muscles and lift the knee caps.
收紧大腿肌肉并上提膝盖。
Firm your thigh muscles and lift the knee caps.
收紧大腿肌肉并上提膝盖。
应用推荐