是in the field还是on the field

是in the field还是on the field on the field 还是in the field 意思是在田野 是on a field trip,还是 in a field trip 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？ 是in the afternoon of April 30th 还是 on the afternoon of April 30th 在田野里散步 应该是 go walking on the field还是 go walking in the field? on the football field 是在足球场上 那么可不可以说 in the football field?还有at the football field field用in还是on?court是用at吗? on还是in the football field..在足球场上踢足球用on还是in? 在football field前面加介词on还是in!是on还是in还是两种都可以, on the field 和 in the field的区别是什么? in the field on the field123 in the fields还是in the field in the field 还是in the fields? 在具体某一天的早上用什么介词啊,是in还是on?（是写in还是on）the morning of April 18th. 英语：在田地里?请问：在田地里是in the field 还是in the fields? court前面用on还是in还是at?field呢? 是on May 15th还是in May 15th啊o