Word · Frequency #17116
heliums
氦
heliums is the plural of helium.
a very light, colorless chemical element that is one of the inert gases and is very difficult to liquefy
- 1.
The second-lightest chemical element (symbol He), with an atomic number of 2 and atomic weight of 4.002602, a colorless, odorless and inert noble gas.
氦:第二轻的化学元素(符号He),原子序数2,原子量4.002602,无色、无味、惰性的稀有气体。
- 2.
A form or sample of the element.
氦:该元素的一种形态或样品。
氦:第二轻的化学元素(符号He),原子序数2,原子量4.002602,无色、无味、惰性的稀有气体。；氦:该元素的一种形态或样品。；氦；[化] 氦
In use
The balloons floated up because they were filled with helium.
Helium is much lighter than air, so it is often used in party balloons.
They use helium to test whether the pipes leak.
helium is used in [noun]
用于说明氦的常见用途，后接名词或名词短语。
Helium is used in balloons and airships.
氦用于气球和飞艇。
fill sth with helium
fill 后接容器，with 后接填充物。
They filled the balloon with helium.
他们给气球充了氦气。
helium [noun]
helium 可直接修饰名词，表示“氦的、充氦的”。
The helium balloon floated up into the sky.
Connections
Collocations
- helium balloon
- 氦气球
- The children each held a helium balloon at the party.孩子们在聚会上每人拿着一个氦气球。
- liquid helium
- 液氦
- The magnet is cooled with liquid helium to a very low temperature.磁体用液氦冷却到很低的温度。
- helium gas
- 氦气
- Helium gas is used to fill airships because it is lighter than air.氦气用于填充飞艇，因为它比空气轻。
- helium atom
- 氦原子
- A helium atom has two protons in its nucleus.氦原子的原子核中有两个质子。
- helium nucleus
- 氦原子核
- Alpha particles are helium nuclei emitted by some radioactive substances.α粒子是某些放射性物质发射出的氦原子核。
- helium tank
Learner notes
Memory Tip
helium 首音像英语 hi，想象气球灌满氦气后飘起来，向你 say hi。
Context & Register
语域：neutral 常见场景：chemistry、physics、industrial gas supply、balloon inflation “helium” 是标准化学元素名称，多用于科学、技术及日常气体应用（如气球充气）等场合，正式与口语中均可使用，建议按中性文体处理。
Pronunciation & Spelling
No common word rhymes with helium /ˈhiːliəm/. The listed words all end in the letters ‑ium but differ in stress and vowel; they are lookalikes, not rhymes.
Usage priority
Collins 词频等级为 1，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.