气体 qìtǐ gas (i.e. gaseous substance)
怎么记住“气体”: 气 air + 体 body = gas (i.e. gaseous substance).
汉字
用法
- A gas (gaseous substance) - 有毒气体 (yǒudú qìtǐ) toxic gas, 气体膨胀 (qìtǐ péngzhàng) gas expands.
- The scientific term for matter in gaseous state; one of 固体/液体/气体 (solid/liquid/gas).
- Contrast 气 (qì, air/breath/gas, broad) and 空气 (kōngqì, the air); 气体 is the physics/chemistry category.
例句
- 空气是气体的混合物。 Kōngqì shì qìtǐ de hùnhéwù.Air is a mixture of gases.
- 众所周知，空气是多种气体的混合体。 Zhòngsuǒzhōuzhī, kōngqì shì duōzhǒng qìtǐ de hùnhétǐ.As everyone knows, air is a mixture of gases.