In a vertebrate's arms, muscles do the moving and bones carry the weight.
对脊椎动物的手臂而言，肌肉负责运动，骨骼承受重量。
2
The air inlets comprises many moving parts, which increases the aircraft’s weight and radar reflections.
这种进气道由很多调节作动部件组成，从而增加了飞机的重量以及雷达反射面积。
3
We've heard all the benefits - lifelong health, weight loss, more energy, fewer illnesses - but we're great at finding ridiculous reasons not to get moving.