他以众人吃惊的速度从衣服里伸展拉长，他的声音开始变得嘶哑，时而走调，时而颤抖。他的脸蛋突然变得棱角分明，显得难看。
He grows out of his clothes with indecent haste; his voice grows hoarse and breaks and quavers; his face grows suddenly angular and unsightly.
伸展也可以拉长肌键单位，减少活动时在肌键上的张力，进而减少会导致肌腱变性的化学变化。
Stretching can also elongate the muscle-tendon unit, reducing the tension placed on the tendon during activity, thereby reducing the chemical changes that cause degeneration.
大腿保持在中立状态配合膝盖的伸展，拉长和缩回腿筋。
The femurs are held in neutral alignment with knees extended, elongating the hamstrings and low back.
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