pitch in什么意思解释？

pitch in的音标：pitch in的英式发音音标为：[pitʃ in]pitch in的美式发音音标为：[pɪtʃ ɪn]...

The fans rushed onto the pitch in an excited mob.球迷群情激昂,一窝蜂涌进球场.At the beginning men of all sorts and conditions had to pitch in.起初,各阶层,各行各业的人都得努力干.Local long - haired types and even a few tourists - pitch in to help fro...