These clothes restrict your freedom of movement and stiffen up the whole body.
这些衣服使你的手脚难于自由活动，使整个身体也僵硬起来。
What happens is the fluid that's sprayed into each fibre of the yarn starts to stiffen up and resist that mechanical strain.
渗入纱线纤维的液体黏性开始增大并阻止机械拉力。
Straighten up little soldier. Stiffen up that upper lip.
挺直腰杆，咬紧牙关，做个象样的小兵。
Straighten up little soldier. Stiffen up that upper lip.
挺直腰杆，咬紧牙关，做个象样的小兵。
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