this's relativity什么意思

Einstein's theory of relativity proved____ What's this in English什么意思 life.What's this? 什么意思 That's why sing this song 什么意思 What's your plan of this summer vacation什么意思 This time ,I think that\'s that 什么意思 let's colour this car green.中文什么意思 英文What's this in english什么意思? 来一个英语高手!Einstein's theory of relativity  Einstein’s theory of relativity seemed hard to believe at th what's this?中文意思? This什么意思