这两句英语有区别吗?这句话中in 与within有区别吗?the bird covered the distance in/within three minutes.这只鸟飞完全程只用三分钟.另请教一句：我正在修改报告,稍后发给你.这样翻译对吗?I am undating the r

in the next century 与next century 有什么区别?Imagination is very important in the next century.这句话中去掉in the 意义一样吗? Wi-fi和WLAN有什么区别?可以用Wi-fi上Wlan吗? 这两句英语有区别吗?这句话中in 与within有区别吗?the bird covered the distance in/within three minutes.这只鸟飞完全程只用三分钟.另请教一句：我正在修改报告,稍后发给你.这样翻译对吗?I am undating the r 在英语中,in the midest of与in the middle of有什么区别? 在英语中,by/in contrast与 by comparison有什么区别? 英语中do well in与do well on 有什么区别? 英语-请问这两句话有区别吗?i have specialized in teaching math for five years.i have been specialized in teaching math for five years. in和with的区别I will see you in a week 与 I will see you within a week请问 in a week ,within a week 有什么区别这两句话是一个意思吗 英语中,这两个单词有何区别?and 与 as well as 有什么区别? 英语达人速度The house which I used to live in has disappeared.The house in which I used to live has disappeared.两句话有什么区别?which与in which 有什么区别? I didn't do anything与I did nothing的区别?在英语国家这两句话有区别么? I'm in here 这句话中有语法错误吗?I'm in here这句话中有语法错误吗? keep in health 和keep in good health有什么区别?help people keep in health这句话正确吗? 英语中in,at,on用法有和区别? 英语中get in/into /off有什么区别 in 55! WI 是什么意思 【英语】请问in the past few days与for the past few days有区别吗? 英语中at night 和in the evening有什么区别吗?