The aluminum fan over the pit helps ventilate the warehouse efficiently.

铝制风扇在坑洞上方能有效为仓库通风。

金山词霸

Whoa! Watch out for that hole in the sidewalk!

哇呜! 小心人行道上的坑洞!

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Many common minerals, such as feldspar, develop microscopic pits during weathering.

许多常见矿物(例如长石)会在风化过程中发展出微小坑洞.

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The engineers tested smooth, porous and textured concrete surfaces with four tire designs.

工程师在各种表面,包括光滑的 、 多坑洞及特定结构的混凝土路面,测试了四种不同的轮胎.

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The huge potholes and rocks in the road stopped the car dead in its tracks.

路上巨大的坑洞与岩石阻止车子往前进.

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They can be found at field, under the ground, in mountain stream and the mountain pits.

它们有的藏于田里 、 有的埋于土中 、 有的拾于溪里、有的产于坑洞里.

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