pitch in
中文翻譯：
投入, 動手乾, 作出貢獻字典網
字典網
英文解釋：
動詞 pitch in:
- eat heartily同義詞：dig in
相關句子：
- After the christmas dinner, we all pitch in to clean up the house.耶誕晚餐後，我們全都動手幫助清理房子。
- An electromagnetic wave of audio frequency produced by atmospheric disturbances such as lightning, having a characteristically decreasing frequency responsible for a whistling sound of descending pitch in detection equipment.嘯聲干擾一種由於諸如閃電等大氣干擾而產生的音頻電磁波，具有典型的逐漸減弱頻率的特徵，該頻減引起了檢波設備中調逐漸下降的嘯聲
- The fans rushed onto the pitch in an excited mob.球迷群情激昂，一窩蜂湧進球場。