dif·fuse1 /dɪˈfjuːz/ verb 1 [intransitiveI, transitiveT]SPREAD to make heat, light, liquid etc spread through something, or to spread like this 扩散,渗透,弥漫diffuse through/into/across The pollutants diffuse into the soil. 污染物渗进了土壤。
2 SPREAD[intransitiveI, transitiveT] to spread ideas or information among a lot of people, or to spread like this (使)〔观点或信息〕传播,散布 Their ideas diffused quickly across Europe. 他们的观点很快在欧洲传播开来。
3 [transitiveT] to make a bad feeling or situation less strong or serious 减弱,平息〔不良情绪或局面〕 an attempt to diffuse his anger 平息他怒气的尝试
—diffusion /dɪˈfjuːʒən/ noun [uncountableU]