in the field 还是in the fields?

in the fields还是in the field in the field 还是in the fields? 是in the field还是on the field in the field 在田野里散步 应该是 go walking on the field还是 go walking in the field? on the field 还是in the field 意思是在田野 in the field例句说明 in the sports field 英文 on还是in the football field..在足球场上踢足球用on还是in? 英语：在田地里?请问：在田地里是in the field 还是in the fields? on the field 和 in the field的区别是什么? 是on a field trip,还是 in a field trip in the field on the field123 是in the field还是on the field一篇文章中,说的是球王贝利：Although he was sixteen,he was the best player __the field.该用in 还是on 奈何原文是on？用in可以吗？ What table is in the field what table is in the field what table is in the field she worked in the field是什么意思