• n. 蒸汽；煙霧
• vt. 使……蒸發；使……汽化
• vi. 蒸發；吹牛；沮喪

詞源不詳。

vapor (n.)

late 14c., from Anglo-French vapour, Old French vapor "moisture, vapor" (13c., Modern French vapeur) and directly from Latin vaporem (nominative vapor) "a warm exhalation, steam, heat," of unknown origin. Vapors "fit of fainting, hysteria, etc." is 1660s, from medieval notion of "exhalations" from the stomach or other organs affecting the brain.

1. The two principal combustion products are water vapor and carbon dioxide.

兩種主要的燃燒產物是水蒸氣和二氧化碳。

來自柯林斯例句

2. The car windows were fogged with vapor.

車窗上滿是霧氣。

來自柯林斯例句

3. When nitric acid is poured on copper, a brown vapor gives off.

將硝酸倒在銅上, 會散發出一種棕色的蒸氣.

來自《簡明英漢詞典》

4. Water vapor is water in the form of a gas.

水蒸氣是氣態的水.

來自《簡明英漢詞典》

5. The cold wind condenses vapor into rain.

冷風使水蒸氣凝結成雨.

來自《簡明英漢詞典》