Spring tendons enhance the foot’s efficiency: some of the energy spent to drop one’s weight down when taking a step is actually stored and then returned to the leg as it rebounds.
人们走路每迈出一步，重量落下时所输出的一部分能量，事实上被脚弓存储起来，然后被脚弓弹起，这部分能量就又返回到腿部。
A drop of blood slid down his leg.
他的腿上流着一点儿血。
Ladybirds can exude a drop of poison from their leg joints. A yellow fluid.
瓢虫的腿关节能分泌出黄色的毒汁。
A drop-leg pipe connects the valves to the dead-headed diaphragm housing.
气体分流管将阀连接到滑封隔膜套。
A drop-leg pipe connects the valves to the dead-headed diaphragm housing.
气体分流管将阀连接到滑封隔膜套。
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