Dave was making a model plane in the classroom at that time.

那时戴夫正在教室里做模型飞机。

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Once, I surprised my dad with a model plane I made.

有一次，我做了个飞机模型，爸爸大吃了一惊。

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It is believed that a model plane of Bob's will be shown at the science fair next month.

人们相信鲍勃的飞机模型将在下个月的科学展览会上展出。

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Better to know the model you are using, if only to understand its limitations, than to kid yourself you have moved to a deeper, model-free plane.

ECONOMIST: Knowing your place

This is a special type of Earth model which traces its idealised "horizontal" surface - the plane on which, at any point, the pull of gravity is perpendicular to it.

BBC: Europe's Goce satellite probes Earth's gravity

"I am wary of a plane model that has fire problems and leaks fuel, " said Atlanta-based businessman Bobby Burns, a project manager who takes more than 50 trips a year.

CNN: STORY HIGHLIGHTS