1
calcium + is + adj + for + noun
Calcium is essential for bone health.
钙对骨骼健康至关重要。
钙
先理解核心含义，再看它在真实句子里的用法。
钙
the chemical element calcium (Ca): a soft, silvery-white metal found in limestone and rocks, and an important component of plants and animals
Calcium is essential for bone health.
钙对骨骼健康至关重要。
化学元素(符号Ca),原子序数20:一种柔软的银白色碱土金属,自然存在于石灰石中的碳酸盐和许多岩石中的硅酸盐
The chemical element (symbol Ca) with atomic number 20: a soft, silvery-white alkaline earth metal which occurs naturally as carbonate in limestone and as silicate in many rocks.
一种白色金属元素,燃烧时发出亮光；地壳中含量第五的元素,是多数动植物的主要成分
a white metallic element that burns with a brilliant light; the fifth most abundant element in the earth's crust; an important component of most plants and animals
该元素的原子
An atom of this element.
Milk and leafy greens are good sources of calcium for strong bones.
牛奶和绿叶蔬菜是强健骨骼所需钙质的良好来源。
The doctor told her to take a calcium supplement every morning.
医生告诉她每天早上服用钙补充剂。
Too little calcium in your diet can weaken your teeth over time.
饮食中钙摄入过少会逐渐削弱牙齿。
Calcium is essential for bone health.
钙对骨骼健康至关重要。
也可用 'calcium source'。
Dairy products are rich sources of calcium.
乳制品是钙的丰富来源。
Calcium deficiency can lead to osteoporosis.
钙缺乏可能导致骨质疏松症。
Not this
I need to take a calcium every day.
Use this
I need to take calcium every day.
钙是不可数名词，不能用不定冠词 'a' 修饰。
Not this
The milk is rich of calcium.
Use this
The milk is rich in calcium.
表达“富含”时，应用 'rich in' 而非 'rich of'。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
钙缺乏
Calcium deficiency can lead to osteoporosis.
钙缺乏可能导致骨质疏松。
钙摄入
Make sure your daily calcium intake is adequate.
确保你每天的钙摄入量充足。
钙补充剂
She takes a calcium supplement every morning.
她每天早上服用钙补充剂。
碳酸钙
Calcium carbonate is a common antacid.
碳酸钙是一种常见的抗酸剂。
富含钙的
Milk and cheese are calcium-rich foods.
牛奶和奶酪是富含钙的食物。
钙离子
Calcium ions play a key role in muscle contraction.
钙离子在肌肉收缩中起关键作用。
Use calcium naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
记住'钙'的英文calcium，化学符号Ca，可联想'钙片上的Ca'。
neutral
None of these words rhyme with 'calcium' (/ˈkælsiəm/) or with each other because the stressed vowel and subsequent consonant sounds differ. They only share the spelling pattern '-ium'.
Dictionary facts from ECDICT, WIKTIONARY.