是tennis field 还是 tennis court?

是tennis field 还是 tennis court? i play tennis with a tennis racket _________on the tennis field 还是on the tennis court 到底是tennis bat还是tennis racket 是in the field还是on the field 是on a field trip,还是 in a field trip 棒球的球是tennis还是tennis ball? 乒乓球室用英语怎么说是field,court,还是什么?table tennis我知道,后面的兵乓球室怎么说吖? table tennis 是单词还是词组? He saw ten black and white cows in the field.对划线部分提问 划线部分是ten on the field 还是in the field 意思是在田野 请问英文十分钟是:ten minutes 还是ten-minutes 到底是ten minutes wait还是ten minutes waiting? 是at about ten years 还是for about ten years 是ten piece of music还是ten pieces of music 是 ten thousand of people 还是ten thousand people? We have ten tennis rackets.(对 ten提问） field用in还是on?court是用at吗? tennis training是动词么还是名词 为什么