扩散用英文怎么说

传播比较常用的是trasmit（传输、传播、从一地到另一地）radiate（辐射、放射）推广比较常用的是spread（展开、分开、铺开、播撒、散布、散播）extend（扩充、扩大、延伸）popularize（普及，使……流行）扩散比较常用的是diffuse（向外扩大分散）proliferate（细胞、癌）

1.According to the report that the disease has spread in the whole city. 2.As is known to all, the polluted air and water are harmful to our health. 3The Venus surface whether there is water is still unknown. 4.No matter who want me on the phone, and he said I'm busy now. 5.We are looking for to prevent the harmful gas diffusion method.

Indistinct

indistinct

都有分散的意思，做题还要联系前后。如：搭配 be scattered 可以搭配 而be spread 就不行了

传播:promulgate 通常指传播（新闻）、颁布（法令）， eg. promulgate information推广:generalize 多指推广，带有普及的含义 eg. generalize the use of a new invention扩散:diffuse 用于形容光、气味的物理性扩散； eg.diffuse the salor radiation 注：diffuse learning 也可用于只传播学问

the crowd scattered 人群散开，而spread是 (使)传播, (使)散布