扩散: spread; diffuse; proliferate; scatter about; irradiation; diffusion 短语和例子扩散光 diffuse light; 癌扩散 proliferation of cancer; spread of cancer; 病菌扩散 proliferation of germs; 核扩散 nuclear prolifer
限: Ⅰ名词(指定的范围; 限度) limit; bounds 短语和例子期限 time limit; 上[下] 限 upper [lower] limit; 以年底为限 set the end of the year as the deadline; 一个人的精力有限。 there is a limit to a man's energy.Ⅱ动词(指定范围, 不许超过) set
