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prerequisite

美国发音:[pri'rekwəzɪt]
英国发音:[priː'rekwəzɪt]

[n]
英语解释:something that must exist or happen before something else is possible; a course that you must take before you are allowed to take another particular course
常见翻译:必要条件;前提;先决条件

[adj]
英语解释:necessary in order for something to happen
常见翻译:必须先具备的,必要的;先决条件的