"On which side" 用英语说是 "On which side". 来源: 英语是由其他语言演变而来, 其中包括拉丁语, 日耳曼语, 古英语等.
例句:
"On which side is the sun rising?" (太阳从哪一边升起?) "On which side do you want to sit in the movie theater?" (你在电影院想坐哪一边?) "On which side of the bed do you sleep?" (你睡在床的哪一边?)