the diffusion of [sth]
The diffusion of oxygen through the membrane is slow.
氧气通过膜的扩散很慢。
散布；分散
扩散；传播；普及；漫射；散射；扩散；散布；分散；光经粗糙表面反射或透过半透明介质时的散射
the act of spreading something widely, or the state of being spread out
扩散；散布；分散
The act of diffusing or dispersing something, or the property of being diffused or dispersed; dispersion.
光经粗糙表面反射或透过半透明介质时的散射
The scattering of light by reflection from a rough surface, or by passage through a translucent medium.
流体分子因随机热运动而相互混合
The intermingling of the molecules of a fluid due to random thermal agitation.
文化、语言习俗或社会制度的传播
The spread of cultural or linguistic practices, or social institutions, in one or more communities.
商品或服务的逐渐传播与采用
The gradual spread and adoption of goods or services.
空间区域间气载介质的小尺度随机交换
Exchange of airborne media between regions in space in an apparently random motion of a small scale.
水蒸气从高浓度(高水汽压)区域向低浓度区域的移动
The movement of water vapor from regions of high concentration (high water vapor pressure) toward regions of lower concentration.
The diffusion of perfume molecules through the air explains how a scent travels.
香水分子在空气中的扩散解释了气味如何传播。
用法提示：扩散作为名词，表示物质从高浓度区域向低浓度区域的移动。
The diffusion of new technology across the globe has accelerated in recent decades.
近几十年来，新技术在全球的传播加速了。
用法提示：扩散作为名词，表示从一个社会向另一个社会的传播。
Oxygen diffusion in the lungs is essential for respiration.
氧气在肺部的扩散对呼吸至关重要。
用法提示：扩散作为名词，指气体分子从高浓度向低浓度的移动。
The diffusion of oxygen through the membrane is slow.
氧气通过膜的扩散很慢。
在社会科学中，'diffusion'常译为'传播'。
Cultural diffusion has accelerated with globalization.
文化传播随着全球化而加速。
The diffusion of ink into water demonstrates Brownian motion.
墨水扩散到水中展示了布朗运动。
范围更广，可指任何蔓延，不限于物理过程。
强调散开的结果，常用于生物或环境。
专业术语，与扩散接近，但更强调分布状态。
常用于物理和光学，侧重随机方向改变。
grammar · medium
易错句子The idea diffusion quickly.
正确表达The idea diffuses quickly.
diffusion是名词，不能直接充当谓语动词，应使用其动词形式diffuse。
grammar · medium
易错句子The diffusions of gases are important.
正确表达The diffusion of gases is important.
diffusion表示“扩散”时通常为不可数名词，不应使用复数形式，谓语动词也应用单数。
物理扩散的反义词：物质从低浓度到高浓度的过程
物理扩散的反义词：物质聚集而非分散
社会文化传播的反义词：阻止文化或信息传播
社会文化传播的反义词：限制扩散范围
扩散指物质或文化传播，解离指心理上分离想法
气体扩散
Gas diffusion is faster at higher temperatures.
气体扩散在较高温度下更快。
文化扩散
Cultural diffusion has accelerated with the rise of the internet.
随着互联网的兴起，文化扩散加速了。
扩散过程
The diffusion process in solids is much slower than in liquids.
固体中的扩散过程比液体中慢得多。
创新扩散
The diffusion of innovation often follows an S-curve pattern.
创新扩散通常遵循S曲线模式。
diffuse + -er
diffuse + -ive
diffuse + -ly
diffusive + -ity
diffuse + -ible (drop -e)
浓度梯度是扩散的驱动力
扩散涉及物质从高浓度区向低浓度区移动
扩散可通过半透膜进行
是扩散的一种特殊形式，涉及溶剂通过半透膜
影响扩散速率的膜特性
Dictionary facts from ECDICT, WIKTIONARY.