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(单词翻译)
Many a bet has been made, and many a friendly, and not-so-friendly, argument has been waged over whether you get better gas mileage1 in a pickup2 truck with the tailgate up or down. Even those gurus of auto3 advice Click and Clack were thrown by it. The intuitive answer is that it is better to open the tailgate so the air can rush out the back, or use one of those tailgate nets which lets air flow through, supposedly cutting down drag. Well, as aerodynamics engineers have worked to streamline4 vehicles, they have certainly looked into the tailgate question. When they did drag tests on pickups, what they found out surprised even them. They discovered there was less drag with the tailgate closed!
收听单词发音
1
mileage
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| n.里程,英里数;好处,利润 | |
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pickup
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| n.拾起,获得 | |
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auto
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| n.(=automobile)(口语)汽车 | |
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4
streamline
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| vt.使成流线型;使简化;使现代化 | |
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