Ellen is walking down the drive with a square flat box balanced on one hand.

埃伦正沿着车道走着，一只手上托着一个扁平的方盒子。

《柯林斯英汉双解大词典》

The studying of the different sections deck shows: the variation pattern of flutter critical wind speed of bridge with flat box deck and wind yaw Angle is significantly affected by wind attack Angle.

研究发现：扁平箱形断面桥梁的颤振临界风速与风偏角的关系明显地受到风攻角的影响。

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Meanwhile, box-office revenues from cinemas are flat, and TV channels increasingly prefer cheap reality programming to Hollywood's flights of fancy.

同时，院线票房表现平淡，电视频道也越来越倾向于播出廉价的真人节目，而不是好莱坞的奇思妙想。

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That follows nearly flat box-office revenue in 2010, with higher prices offsetting a 6% drop in attendance.

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Clino Castelli used leather sheets to create a bench for two, which neatly folds into a flat box.

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The Ray Flash Rotator comes in a relatively flat box with eight parts, only six of which you need (the extra ones are for accommodating different camera sizes).

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