Word · Frequency #4908
calcium
钙
the chemical element calcium (Ca): a soft, silvery-white metal found in limestone and rocks, and an important component of plants and animals
- 1.
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.
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
- 2.
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
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
- 3.
An atom of this element.
该元素的原子
钙原子；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；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；该元素的原子；钙；[化] 钙Ca
In use
Milk and leafy greens are good sources of calcium for strong bones.
The doctor told her to take a calcium supplement every morning.
Too little calcium in your diet can weaken your teeth over time.
calcium + is + adj + for + noun
Calcium is essential for bone health.
钙对骨骼健康至关重要。
source(s) of calcium
也可用 'calcium source'。
Dairy products are rich sources of calcium.
乳制品是钙的丰富来源。
calcium deficiency
Calcium deficiency can lead to osteoporosis.
Connections
Collocations
- calcium deficiency
- 钙缺乏
- Calcium deficiency can lead to osteoporosis.钙缺乏可能导致骨质疏松。
- calcium intake
- 钙摄入
- Make sure your daily calcium intake is adequate.确保你每天的钙摄入量充足。
- calcium supplement
- 钙补充剂
- She takes a calcium supplement every morning.她每天早上服用钙补充剂。
- calcium carbonate
- 碳酸钙
- Calcium carbonate is a common antacid.碳酸钙是一种常见的抗酸剂。
- calcium-rich
- 富含钙的
- Milk and cheese are calcium-rich foods.牛奶和奶酪是富含钙的食物。
- calcium ions
Learner notes
Memory Tip
记住'钙'的英文calcium，化学符号Ca，可联想'钙片上的Ca'。
Context & Register
neutral
Pronunciation & Spelling
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'.
Usage priority
Collins 词频等级为 2，建议结合例句记忆，而不是只背中文释义。
Learn the forms together
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.