双语例句
冷空气比暖空气的水蒸气含量少，所以开水会变成雪花。
Boiling water turns into snow because freezing cold air holds less vapor than warmer air.
重点词汇
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水蒸气
steam; water vapour; vapour
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含量
content; concentration; amount; quantity; level; proportion
中英释义：
水蒸气含量
时间: 2025-11-29 06:47:45
water vapour content