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1·But when the emotion that leads to stiffening the lip is more intense, and involves strong muscle tension, facial feedback may heighten emotional response.

但是当导致嘴唇僵硬的情绪变得更加强烈，并导致肌肉强烈绷紧时，面部表情反应就可能会增强情绪反应。

2·A litre of teacan contain up to 9mg of fluoride, which in excess can cause skeletal fluorosis, reducing bone quality and causing pain and stiffening of the ligaments.

一升茶树含有高达9毫克的氟化物，过量会导致氟骨症，降低骨骼质量，导致疼痛和韧带僵硬。

3·The storm was stiffening then.

那会儿，风暴变得越来越猛烈。

4·And stiffening the backbones of the sea!

让海的脊骨变硬！

5·The White House, in turn, may be stiffening its strategy.

对于白宫来说，其可能加强其战略。

6·It leads to inflammation, blood vessel damage and stiffening.

它会导致炎症，血管损伤和硬化。

7·Faith, to my mind, is a stiffening process, a sort of mental starch.

对我来说，信仰是一种硬化过程，一种精神的淬火。

8·Only a few months ago he was still making spine-stiffening speeches.

仅仅几个月前他还在做着老掉牙的演讲。

9·Stiffening members serve two functions, depending on how they are laded .

加强材料成员的两个作用，取决于他们如何被装载。

10·Small size and surface effects also lead to the strain-stiffening effect.

小尺寸和表面效应也是导致纳米杆应变刚化的原因。

(1)stiffening rib加劲肋；加强肋

(1)stiffening ring补强圈；加劲环