骡子的背被所载重物压得弯了下去。
当你要搬运重物时，你应该在它附近蹲下来，并挺直你的背，抬起你的头。
When you lift, squat close to the object with your back straight and head up.
完美的男人背不好，没法提起重物。 完美的男人生来就只有一只手。
Perfect men have bad backs that prevent them from lifting heavy objects.
完美的男人背不好，没法提起重物。 完美的男人生来就只有一只手。
Perfect men have bad backs that prevent them from lifting heavy objects.
应用推荐