单词：cylinders in line
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When Henry ford decided to produce his famous v-8 motor, he chose to build an engine with the entire eight cylinders cast in one block, and instructed his engineers to produce a design in one for the engine. The design was placed on paper, but the en
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This is Scientific American's 60-Second Science, I'm Cynthia Graber. This'll just take a minute. When Harry Potter slips underneath his invisibility cloak, he can wander freely undetected, but what about a cloak of silence, one that completely deaden
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Die-hard advocates of alternate energy might fantasize about cars that could one day run on water. But scientists in India have gone a step further. Theyve mathematically modeled an engine that should allow a motorcycle to run on aircompressed air, t
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Overdid it , and think it might happen again? Before you start feeling guilty, know that taking a too-strict approach after a binge will most certainly backfire. One of the biggest mistakes I see is people beating themselves up and then trying to und
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The 5 Foods You Could EVER Eat for Your Body 永远都有利于身体的5种食物 Avocado 牛油果 The guac staple is rich in monounsaturated fats, the good fats that keep you full and help your heart. Plus, a recent study published in the Nutritio
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On one side stood a long, low, shelf-like table covered with cracked glass cases, filled with dusty rarities gathered from this wide world's remotest nooks. 堂屋的一边,摆有一只又低又长的.架子似的桌子,上面尽是许多破裂的玻璃
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