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
项: Ⅰ名词1.(颈的后部) nape (of the neck) 短语和例子颈项 neck2.(款项) sum (of money) 短语和例子进项 income; 欠项 liabilities; 用项 items of expenditure; expenditures3.[数学] (不用加、减号连接的单式) term 短语和例子同类项 similar terms; 外项 e