题目内容
v. to make sth. less tight or firmly fixed; to become less tight or firmly fixed; to make a piece of clothing, hair, etc.. loose, when it has been tied or fastened
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n. the largest inland sea; between Europe and Africa and Asia
adj. connected with or happening in the mind; involving the process of thinking
v. to become or make sth. become smaller, weaker, less important, etc..
n. a story from ancient times about people and events, that may or may not be true; a very famous person, especially in a particular field, who is admired by other people
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