a lot是副词,意思是很多,例如:
1、We've got a lot of hard work ahead.我们往后还有很多艰苦工作要做。
2、However you look at it, it's going to cost a lot.不管你怎么看,它都要花很多钱。
3、There has been a lot of resistance to this new law.这项新的法规已经遇到很多的抵制。
learn a lot中a lot什么词性
learn a lot中的a lot是副词,意思是很多