When our ancestors were covered in fur, muscles in their skin called "arrector pili" contracted when they were upset or cold, making their fur stand on end.
当我们的祖先身体被毛发覆盖时，当人感到沮丧或者寒冷的时候皮肤上的一种叫“立肌”的肌肉会收缩，使他们的毛发竖立起来。
The idea that human creativity is just a product of recombination has upset some musicians and artists (and humanists), despite the idea having a certain cold logic.
尽管他的想法有一定的客观逻辑，但是他所认为的人类的创作只是一个重新组合的过程还是让许多音乐家和艺术家为之不满。
If your baby is upset you need to find out whether he is hungry, tired, too hot or cold, has a dirty nappy, overstimulated, bored, or simply afraid.
如果你的宝宝焦躁不安，你就得去弄清楚他们是饿了，累了，太热了，太冷了，该换尿布了，什么东西刺激到他了，无聊了还是就是害怕了。
She hesitated, looking upset, cradling her tea in her cold hands. "I think that's the worst bit."
她欲言又止，好像心里很乱，把茶杯抱在冰冷的手里，“我想那是最糟糕的一点。
Cold upset female die of fillister head is the key mold in the manufacturing process of heading bolt.
冷镦圆头凹模是冷镦螺栓生产过程中的关键模具。
Cold upset female die of fillister head is the key mold in the manufacturing process of heading bolt.
冷镦圆头凹模是冷镦螺栓生产过程中的关键模具。
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