扩散的英文：
spread
proliferation

参考例句：

sweep diffusion
扫掠扩散

semantic contagion
语义扩散[感染]

diffusible dyes.
扩散性染料

The spreading disease infected eyes, and she became blind.
疾病扩散影响到双眼，她失明了。

The elemental diffusion is the dominant factor of joint forming.
元素的扩散是控制接头形成的主要因素。

Bronchopneumonia:a pneumonia involving inflammation of the lungs that spreads from and after infection of the bronchi.
支气管肺炎:由于支气管感染扩散而导致肺部感染的肺炎。

A viral infection may be localized disseminated or inapparent
病毒感染可以是局限性的，扩散性的，或不显性的。

A spreading inflammation of subcutaneous or connective tissue.
蜂窝织炎一种皮下组织或相连组织的扩散性发炎

Went showed that this active agent diffused into gelatin from living oat coleoptile tips
温特证明，这种活性物质从活的燕麦胚芽鞘扩散到凝胶中去。

Wipe the other eye with a clean portion of the washcloth to prevent the possible spread of any infection
用浴巾的清洁部分擦试另一只眼睛以防感染扩散。

spread是什么意思：
v. （使）扩散，蔓延；展开；摊开；涂；将…分散；分摊；（使）传播，散布
n. 传播；酱；盛宴；伸展；范围；价差；蔓延；分配；多样；横贯两版的篇幅

spreading of a slick
浮油在水面扩展

orienting spreading
定向铺装

Knowledge of the disaster soon spread.
灾难的消息很快传开了。

A cloth should be spread under.
下面该铺一块布。

The news spread abroad.
那消息四处传播。

proliferation是什么意思：
n. 增殖，扩散；分芽繁殖

Rabbits are prolific.
兔子是生殖力很强的。

There is a natural tendency for services to proliferate.
各种服务大量产生就成为一种自然的趋势。

There is a natural tendency for services to proliferate
各种服务大量产生就成为一种自然的趋势。

Smoking triggers off cell proliferation.
吸烟会引起细胞增生。

The most prolific of the debunkers of the plutocracy was Gustavus Myers
揭发富豪统治集团的作家中，最多产的是古斯塔夫斯?迈尔斯。