mean是不可数名词啊,加s?

问题描述:

mean是不可数名词啊,加s?

mean 一般用法: mean to do; mean doing; What do you mean by…? 特殊注意: mean to do表示打算做某事;mean doing表示意味着. means 一般用法: by means of; by no means; every possible means 特殊注意: mea...