over 100 years ago这里的over什么意思?

over 100 years ago这里的over什么意思? over a hundred years ago 中over是什么词性? over four years ago的over什么意思 years ago和over the years用什么时态 over 80 years ago的同义句是什么 They lived over sixty thousand years ago.同义句 My grandfather is over sixty.He r___ two years ago His father cames back over sixty years ago.同义句 英语翻译many of the things he wrote about in his books over 100 years ago look into the future some 300,000 years ago这里的some 怎么翻译 Over thirty years ago he left his hometown .Over 可以换成什么 mr green came to china over two years ago mr green ( )to china ( ) ( )two years ago 改为同义句 For over ten years ago. 是用How soon 还是How long 提问.For over ten years ago.是用How soon 还是How long 提问.为什么 it was about 100 years ago they came here over ten years ago的同义句they came here ____ ____ten yeas ago 古董证书翻译请帮忙翻译一下：We hereby declare that to the best of our knowledge and belief the below article was manufactured over 100 years ago. it is said that ___umbrella was invented over four thousand years ago by chi they built the old house over one hundred years ago改为被动语态