| 释义 |
pitch inv adv [I]to start to do something as part of a group, esp. something helpful协力If we all pitch in, it shouldn't take too long.如果我们齐心协力，不会用很长时间。When I bought this house, all my friends pitched in to help fix it up.我刚买下这所房子时，所有的朋友都帮忙收拾。My brother pitched in with an offer of transport.我弟弟提出负责运输。After we had seen the video everyone started pitching in with comments on its faults.看完录像后，我们每个人都评论它的不足之处。
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