My grandparents like taking walks after dinner.这里为什么用taking walks 而不用taking walk?朋友们

问题描述:

My grandparents like taking walks after dinner.这里为什么用taking walks 而不用taking walk?朋友们

take a walk中的a表示一次性动作,这里的walk是个可数名词.
如:He went for a walk yesetrday.