氩 (yà) — argon
定義
noun
argon
例文
- 氩。yà Shì yì zhǒng xī yǒu qì tǐ.Argon is a rare gas.
- 。Dēng pào lǐ tōng cháng chōng mǎn yà qì.Light bulbs are usually filled with argon gas.
- 氩。Hàn jiē shí cháng yòng yà lái bǎo hù jīn shǔ.When welding, argon is often used to protect metal.
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