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
护: 动词1.(保护; 保卫) protect; guard; shield 短语和例子护厂 guard a factory; 护林 protect a forest; 用手遮护眼睛 shield one's eyes with one's hand; 他举起手臂护住脸以免被拳击中。 he raised his arm to protect his face from the b