对二甲苯是甲类?:一道英语谜语

来源:百度文库 编辑:中科新闻网 时间:2024/05/16 14:49:58
What is it you can touch,and you also you can feel;it has neither size nor shape,but just the same,it's real.

water 水

应该是水water 吧,可以摸,也可以感觉,但没有形状和尺寸!

air