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by osmosis
用于描述物质穿过半透膜的自然过程，也可用于比喻。
Water passes into the root cells by osmosis.
水通过渗透作用进入根细胞。
渗透；渗透作用
先理解核心含义，再看它在真实句子里的用法。
渗透；渗透作用
The net movement of solvent molecules, usually water, from a region of lower solute concentration to a region of higher solute concentration through a partially permeable membrane.
Water passes into the root cells by osmosis.
水通过渗透作用进入根细胞。
溶剂分子(通常是水)通过半透膜从低溶质浓度区域向高溶质浓度区域的净移动。
The net movement of solvent molecules, usually water, from a region of lower solute concentration to a region of higher solute concentration through a partially permeable membrane.
知识、习惯等的被动吸收或传授；无意中而非有意识地学习或教授特定知识的过程。
Passive absorption or impartation of information, habits, etc.; the process of teaching or learning particular knowledge incidentally rather than consciously.
In biology class, we learned how osmosis causes water to move across a cell membrane.
在生物课上，我们学到了渗透作用如何使水穿过细胞膜。
She picked up the local accent through osmosis after living there for years.
她在那里住了多年后，通过潜移默化学会了当地口音。
The plant absorbs water and minerals from the soil by osmosis.
植物通过渗透作用从土壤中吸收水分和矿物质。
用于描述物质穿过半透膜的自然过程，也可用于比喻。
Water passes into the root cells by osmosis.
水通过渗透作用进入根细胞。
这是比喻用法，指不需要刻意学习，而是在日常接触中自然吸收知识。
She learned the local customs by osmosis after living there for years.
在那里住了多年之后，她耳濡目染地学会了当地习俗。
正式或科普语境中常用这种结构描述渗透过程；两个 something 通常指液体和半透膜。
The osmosis of water through the membrane maintains the balance.
水透过膜进行的渗透维持着这种平衡。
Not this
I learned English by an osmosis.
Use this
I learned English by osmosis.
osmosis 作“潜移默化”解时为不可数名词，前面不能加不定冠词 an；表示方式用 by osmosis（也可用 through osmosis），不加冠词。
Not this
She picked up the local accent with osmosis.
Use this
She picked up the local accent by osmosis.
表示“通过/凭借某种方式”时，固定搭配是 by osmosis 或 through osmosis，介词不能用 with。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
反渗透
The plant uses reverse osmosis to purify drinking water.
这家工厂使用反渗透技术净化饮用水。
渗透过程
The process of osmosis keeps cells properly hydrated.
渗透过程使细胞保持适当的水分。
通过渗透作用移动
Water moves by osmosis from the soil into the root cells.
水通过渗透作用从土壤进入根细胞。
在潜移默化中学会
You can learn a lot of English just by osmosis in an English-speaking country.
在英语国家，你可以通过耳濡目染学到很多英语。
潜移默化地；不知不觉地
She didn't attend any training, but she learned the software by osmosis.
她没参加任何培训，但潜移默化地学会了这个软件。
靠耳濡目染学会
Children often learn by osmosis from the people around them.
孩子们常常通过耳濡目染向周围的人学习。
不知不觉地吸收（知识、文化等）
She absorbed the company's culture by osmosis during her first month.
她在入职第一个月潜移默化地吸收了公司的文化。
Use osmosis naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
记忆联想：osmosis 中的 mosis 像‘磨蹭’，水分子磨蹭着慢慢渗过半透膜，就是渗透。
语域：mixed 常见场景：biology/chemistry lessons、academic writing、workplace culture、everyday conversation 该词有科学术语和比喻两种用法：在生物、化学等专业语境中是正式术语；在表示“潜移默化地学习或影响”时多用于职场、教育或日常交流。整体语域随语境变化，比较中性。
不可数名词，通常作单数使用
Dictionary facts from ECDICT, WIKTIONARY.