好奇为什么 · 4-8 岁

露珠是怎么来的

清晨叶尖的小小水珠

科普启蒙约 5 分钟4-8 岁中英双语

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清晨，米米在花园里发现叶尖亮晶晶：“露珠是怎么来的？”

One morning, Mimi spotted sparkling drops on the leaves. “How does dew get there?”

清晨，米米在花园里发现叶尖亮晶晶：“露珠是怎么来的？”

One morning, Mimi spotted sparkling drops on the leaves. “How does dew get there?”

妈妈蹲下来：“我们去看看露珠出生前，夜里发生了什么。”

Mom knelt beside her. “Let’s see what happened during the night before the dew appeared.”

夜里，叶片把热量向天空辐射出去，慢慢变凉。

At night, the leaves radiated heat toward the sky and slowly cooled down.

叶片附近的空气也变冷；冷到露点，水汽就待不住了。

The air near the leaves cooled too. When it reached its dew point, water vapor could no longer remain invisible in the air.

水汽碰到较冷的叶片，凝结成一颗颗小水滴——露珠。

The vapor touched the cooler leaf and condensed into tiny liquid drops—dew.

它不是植物的眼泪，也通常不是天上落下的；低于冰点会成霜。

Dew is not a plant’s tears, and it usually does not fall from the sky. Below freezing, frost forms instead.

米米摸摸湿叶片：“原来是空气水汽变成的！”

Mimi touched the wet leaf. “So dew is water vapor from the air turned into drops!”

米米又抬起脚：“那我的影子，为什么总跟着我？”

Mimi lifted one red boot and looked down. “Then why does my shadow always follow me?”

夜里叶片辐射散热变冷，空气中的水汽在叶片上凝结成露珠。

At night, cooling leaves can make water vapor in the air condense into tiny droplets of dew.

将当前插图、字幕和旁白合成为适合手机分享的竖屏视频。

让孩子走进这个故事

生成一本以孩子为主角的「露珠是怎么来的」新编绘本，或写下任何一个小心愿，做成一本专属绘本。