field trip什么意思解释？

field trip的音标：field trip的英式发音音标为：[fi:ld trip]field trip的美式发音音标为：[fild trɪp]...

The field trip involved crossing a raging torrent.实地考察时要穿过一条水流湍急的河。Some students attended Prof. Jones on a field trip.一些学生随琼斯教授去野外郊游.Are you going to have a field trip on Tuesday?你准备星期二去野外旅行 吗 ?...