触: Ⅰ动词1.(接触) touch; contact 短语和例子游客请勿触摸陈列品。 visitors are requested not to touch the exhibits.2.(碰; 撞) strike; hit 短语和例子触雷 strike [touch off] a mine; 船触礁了。 the ship struck a rock.3.(触动) touch
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
