(每日一词）pitch 10多个意思，一词多义如何解决（视频版）

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免费试听: (每日一词）supercilious; (每日一词）compaction; (每日一词）connivance; (每日一词）congruent; (每日一词）pillage; (每日一词）recidivism; (每日一词）renege; (每日一词）insignia; (每日一词）ration; (每日一词）clamber

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