堆: Ⅰ动词(堆积) pile up; heap up; stack 短语和例子把木柴堆在后院里 stack the firewood in the back yard; 大车上高高地堆满了水果和蔬菜。 the cart was piled high with fruit and vegetables. 谷仓里堆满了粮食。 the barn was heaped with gra
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
