1
a hydrate of [substance]
Gypsum is a hydrate of calcium sulfate.
石膏是硫酸钙的水合物。
水合物；水化物
先理解核心含义，再看它在真实句子里的用法。
水合物；水化物
a compound that contains water molecules, especially as part of its crystal structure
Gypsum is a hydrate of calcium sulfate.
石膏是硫酸钙的水合物。
含有或连接水分子的固体化合物。
A solid compound containing or linked to water molecules.
含有结晶水的化合物
any compound that contains water of crystallization
The chemist identified the white powder as a hydrate of copper sulfate.
化学家确认这种白色粉末是硫酸铜的水合物。
Many minerals in nature exist as hydrates with water molecules trapped in their crystal structure.
自然界中的许多矿物以水合物形式存在，其晶体结构中包裹着水分子。
When heated, the hydrate releases its water and becomes an anhydrous compound.
加热时，水合物会释放水分并变成无水化合物。
Gypsum is a hydrate of calcium sulfate.
石膏是硫酸钙的水合物。
水合物作定语修饰名词。
Hydrate crystals are often colorless.
水合物晶体通常无色。
复数形式表示多种水合物。
These hydrates decompose at high temperatures.
这些水合物在高温下分解。
Not this
There is a lot of hydrate in this solution.
Use this
There are a lot of hydrates in this solution.
作为名词，'hydrate'（水合物）是可数名词，表示具体的化合物种类。当指多个水合物时，必须使用复数形式 'hydrates'。原句使用单数形式当作不可数名词，是错误的。
Not this
Drink water to keep your body's hydrate level normal.
Use this
Drink water to keep your body's hydration level normal.
'hydrate' 是具体的水合物（如硫酸铜水合物），而 'hydration' 指水合状态或水分充足的抽象概念。在描述身体水分平衡时，应使用 'hydration'（水合作用/水分状态），而不是 'hydrate'。
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可数名词，复数形式为hydrates
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from ECDICT, WIKTIONARY, WORDNET.