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elbow(牛津高阶上的)noun 1.the joint between the upper and lower parts of the arm where it bends in the middle 肘,肘部. eg:He's fractured his elbow.他肘部骨折。
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英语“your elbow is directed upwards”的意思是:你的肘部直接往上。elbow意思是:肘; 肘部; (衣服的) 肘部; (管子、烟囱等的) 弯处,弯头;
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