当当当当！！！！这就是生日之星，海先生。大家看到那把大刀了吗？

Yoo-Hoo! This is our Birthday Star! You guys see the big knife?

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“早上好，赛赛曼先生。”海蒂进来时说。

"Good-morning, Mr. Sesemann," Heidi said when she entered.

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“是的，真的，我也要问候我们的小海蒂。”这位先生边说边和海蒂握手。

"Yes, indeed, I also must greet our little Heidi," said the gentleman, shaking Heidi's hand.

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Mr. Fahrenheit, Daniel Gabriel Fahrenheit was a German instrument maker.

华伦海特先生，尼尔，加布里埃尔，华伦海特,是一位德国仪器制造师。

麻省理工公开课 - 热力学与动力学课程节选