The muscles in her back tightened, pulling down from her spine and causing her back to arc slightly.

她后背上的肌肉绷紧着，使她脊梁骨向下沉，背部有点弯成了一个弧形。

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Then they use either heat or an air pump to create suction between the cup and the skin, pulling the skin slightly up and away from the underlying muscles.

然后通过加热或抽气，让杯子和皮肤之间产生吸力，然后把皮肤从下层肌肉轻轻拉起。

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Hermione was biting a piece of bread pulling it from between her teeth with her fingers in a slow slightly derisive movement. She turned to Birkin.

赫麦妮正在吃一片面包，听伯金这样说，她忙把面包从牙缝中拉出来，那动作慢而可笑。

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After limbering up, he bent his knees slightly and leaned back gradually, pulling the car 15 feet.

WSJ: At These Olympics, It Helps

Funnell, who withdrew the slightly lame Redesigned on Saturday, concluded her Badminton involvement for the year by pulling out her other horse, Mirage d'Elle, ahead of the cross-country.

BBC: Badminton Horse Trials: Mark Todd promoted to lead