You can also gain more weight for other reasons such as increased muscle, but you would need to be doing progressive, heavy resistance training and eating more calories over time.
你也可以因其他原因获得更多的重量，如增加肌肉，但是你得积极一些，沉重的训练及多吃。
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.
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）。
Strength training, done with resistance to help build muscle mass, usually includes exercises such as weight lifting or using a resistance band.
强度和耐力的训练能帮我们塑造肌肉，通常包括举重和使用拉力带锻炼。
应用推荐