pitch in

柯林斯詞典

pitch in (pitching,pitched,pitches)

• 1. PHRASAL VERB If you pitch in, you join in and help with an activity. 參與并幫助[非正式]

  The agency says international relief agencies also have pitched in. 該機構(gòu)說，一些國際救援機構(gòu)也參與其中并提供了幫助。

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