自由负重器械和机器负重器械都是受欢迎的力量训练工具，但它们不是唯一的选择，你可以用并不昂贵的阻力塑料管（译者：我猜是指用硬塑料管之类的代替拉力器啥的），或者甚至用自身体重进行力量训练（译者：俯卧撑嘛）。

Free weights and weight machines are popular strength training tools, but they're not the only options. You can do strength training with inexpensive resistance tubing or even your own body weight.

youdao

对于远离身体的来球，你可以从不同的方向回击球，并且你的回球需要有力量，而不只是单纯地跑过去用拍子碰一下球或让球停住。

The ball is angling away from you. While you can take different directions to intercept it, you want to hit the ball back with some power and not simply run over and touch it or just stop it.

youdao

但当我用另外一侧胳膊的划臂作为起始的话，在第一次划臂时我会把力量用在身体轴心的旋转上---这样增加了划臂的距离和速度。

When I stroked first with the other arm, I added the power of core-body rotation to that first stroke – increasing the distance and speed of my breakout to the surface.

youdao

For the Elder Brother, Ebba's bodily purity should itself exude a sufficiently powerful strength that the terrible Danes would be repelled by the sacred rays of her chastity.

对于大哥哥来说，Ebba的身体纯洁应当散发出,一种有效的力量，用那种贞节散发出的神圣光芒,击退可怕的丹麦人。

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