qì tǐ
gaz
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空气是一种气体。
kōng qì shì yī zhǒng qì tǐ.
Air is a gas.
氢气是一种无色无味的气体。
qīng qì shì yī zhǒng wú sè wú wèi de qì tǐ.
Hydrogen is a colorless, odorless gas.
天然气是一种可燃气体。
tiān rán qì shì yī zhǒng kě rán qì tǐ.
Natural gas is a flammable gas.
气 (qì)
gas
空气 (kōngqì)
air
固体 (gùtǐ)
solid
液体 (yètǐ)
liquid
The Chinese word 气体 (qìtǐ) for "gas" is a compound of two characters: 气 (qì) and 体 (tǐ). The character 气 originally meant "vapor" or "steam", and was later extended to mean "air" or "atmosphere". The character 体 originally meant "body" or "substance", and was later extended to mean "form" or "state". Thus, the compound 气体 literally means "air-like substance" or "gaseous state".The word 气体 was first used in the 19th century to translate the English word "gas". It is now the standard Chinese word for "gas" in all scientific and technical contexts.
