Straighten both legs until they are fully extended.
使双腿挺直，直到他们完全伸展开。
Learn to straighten your knees with full extension of your legs but without hyperextension.
学习通过完全伸展你的大腿来伸展你的膝关节，但不超伸。
Gradually straighten your legs until you are standing upright.
慢慢伸直你的腿，直到你站直。
It's said to help me straighten my legs.
我被“绑架了”。据说这样将来我的腿能长得直！
Drouet arose, kicked his legs to straighten his trousers, and seized his clean yellow grip.
杜洛埃站起身来，踢了踢腿，弄直裤子，然后抓起了他的干净的黄提箱。
While checking her body alignment, I reminded her to straighten her legs, to push against the floor and to tuck in her chin.
虽然她的身体检查路线，我提醒她她的腿伸直，推对地面和掖在她的下巴。
As your waist gains power, gradually straighten your legs.
当腰部力量加强时，就可以逐步将小腿伸直。
把你的腿伸出来。
把你的腿伸出来。
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