题目内容
在身体空隙处垫以软枕的主要作用是
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a. detailed and exact; connected with one particular thing only
n. the relationship between two groups of people or things that is represented by two numbers showing how much larger one group is than the other
n. a sharp pointed object that riders sometimes wear on the heels of their boots and use to encourage their horse to go faster; vt. to encourage sb.to do sth. .or to encourage them to try harder to achieve sth.
vi. to shake slightly because you are cold, frightened, excited, etc.
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