1
be dissolved in sth
dissolved 作表语，表示物质已溶解，后接 in 说明溶剂。
The powder is dissolved in warm water.
粉末溶解在温水中。
溶解的；溶化的
先理解核心含义，再看它在真实句子里的用法。
溶解的；溶化的
(of solid matter) reduced to a liquid form
The powder is dissolved in warm water.
粉末溶解在温水中。
溶解于溶剂的。
that has been disintegrated in a solvent
The dissolved sugar in the lemonade made it taste perfectly sweet.
柠檬水中溶解的糖让它尝起来非常甜。
The powder remained dissolved in the hot water after we stopped stirring.
我们停止搅拌后，粉末在热水中仍然保持溶解状态。
She poured the dissolved coffee into her cup and added a little milk.
她把溶解好的咖啡倒进杯子里，加了一点牛奶。
dissolved 作表语，表示物质已溶解，后接 in 说明溶剂。
The powder is dissolved in warm water.
粉末溶解在温水中。
dissolved 作前置定语，常用于科技语境，如 dissolved oxygen（溶解氧）。
Dissolved impurities can affect the taste.
溶解的杂质会影响味道。
用 remain 强调溶解状态持续。
The minerals remain dissolved in the solution.
这些矿物质仍溶解在溶液中。
Not this
The water is dissolved with sugar.
Use this
Sugar is dissolved in the water.
汉语可以说‘水里溶解了糖’，但英语里 dissolved 的主语必须是溶质（糖），不能是溶剂（水）；表示状态要用‘溶质 + be dissolved in + 溶剂’。因此应把 water 和 sugar 的位置对调。
Not this
The tablet is dissolved in my mouth, and I can feel it getting smaller.
Use this
The tablet is dissolving in my mouth, and I can feel it getting smaller.
dissolved 是过去分词作形容词，表示已经溶解完的状态，不能与‘正在变小’的过程连用；要表达正在溶解的过程，需要用现在分词 dissolving 与 be 构成进行时。
Not this
The dissolved snow made the road slippery.
Use this
The melted snow made the road slippery.
dissolved 特指糖、盐等物质在液体中溶解形成溶液；冰、雪等固体因受热变成液体，英语用 melted，不能用 dissolved。这是固定的用词区别。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
溶解氧
The river's dissolved oxygen level is too low for fish.
这条河的溶解氧含量太低，鱼类无法生存。
溶解性固体
The water contains a high amount of dissolved solids.
这水含有大量溶解性固体。
溶解的盐
The dissolved salt in the sea affects its freezing point.
海中溶解的盐会影响其冰点。
溶解的糖
Stir until all the dissolved sugar has mixed into the tea.
搅拌直到溶解的糖完全混入茶中。
溶解的物质
These dissolved substances can change the water's color.
这些溶解的物质会改变水的颜色。
泪流满面；忍不住哭起来
She dissolved into tears when she heard the news.
她听到这个消息时泪流满面。
哄堂大笑；忍不住大笑
The whole room dissolved into laughter at his joke.
整个房间的人听到他的笑话后哄堂大笑。
消失得无影无踪；凭空消失
By morning, the protestors had dissolved into thin air.
到早晨，抗议者已经消失得无影无踪。
Use dissolved naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
糖粒在水中消失不见，就是 dissolved——固体被水‘化解’成了液体。
语域：neutral 常见场景：chemistry、cooking、everyday description 作形容词时通常指固体物质已溶化为液体，多用于化学或日常描述，中性场合较常见。
These words all rhyme with dissolved in American English: they have the stressed vowel /ɑː/ followed by /lvd/. Note that lookalikes such as solvent /ˈsɑːlvənt/ and dissolve /dɪˈzɑːlv/ do not end in /lvd/ and do not rhyme.
Dictionary facts from ECDICT, WIKTIONARY.