其实你查一下字典就知道了,this只有形容词和代词和副词的用法,结合下面实例理解:1.adj.(指已知的或即将提到的人、事物、主意)这, 这个, 此, 本This book of Joe's is very amusing.乔的这本书非常有趣。They have built three nuclear power stations this year.他们今年建造了三座核电站。This little daughter of his is very clever.他的这个小女儿真聪明。Mosquitoes are extremely abundant in this dark wet place.这个阴暗潮湿的地方蚊子...