英语翻译另：Peter was sitting in front of a bright computer screen __wh_英语解答

英语翻译
另：Peter was sitting in front of a bright computer screen __which colorful dragon jumped and shouted.为什么__里填on 而不是in

人气：308 ℃　时间：2019-10-09 12:04:51

解答

in强调内在,比如in the computer
on强调在表面上,屏幕表面所显示的东西,故用on
强调数据在电脑里面才用in