What do a landing plane, a baking cake, a cooling tower and sweetened tea have in common? They all involve a transfer of momentum, heat or mass.

一架着陆的飞机、一个正在烘烤之中的糕点、一座冷却塔和一杯加糖的茶，它们都有什么共同点？它们全都包含有动量、热量和质量传递。

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The plane made a smooth landing.

飞机平稳降落。

《牛津词典》

The bad weather conditions prevented the plane from landing.

恶劣的天气使飞机无法着陆。

《柯林斯英汉双解大词典》

There were new designs for the plane's rocket engine, landing equipment and the small rockets needed to move it in space.

VOA: special.2010.07.07

It could change the plane's path just enough to destroy the pilot's chance of a safe landing.

VOA: special.2010.07.07

This is what she wrote about landing in northern Canada and jumping out of the plane.

VOA: special.2009.06.28

Rob Reale of New York City started a Facebook group soon after the crash for the "Fans of Sully Sullenberger -- and the crew of Flight 1549" to celebrate the pilot who is being hailed as a hero for deftly landing the plane.

CNN: Social-networking sites share breaking news

It's landing a plane.

BBC: 10 questions on grammar

Landing a small plane on the isle's short gravel airstrip was an adventure.

FORBES: Blackbeard's Beach