beat up and down
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1. Its wings not only beat up and down, but also twist at specific angles.
它的翅膀不但可以上下拍打而且能够在一定角度内翻转。
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2. Unfortunately, the result has not been competition to beat down prices and boost speeds, but cosy duopolies that keep bandwidth scarce and carve the market up between incumbents.
不幸的是，这样的竞争结果不是降低价格，提升网速，而是成了狼狈为奸的两强垄断，这使得带宽非常有限，现有市场分崩离析。
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3. Not long after, Al Arabiya's Cairo bureau was stormed and shut down by pro-Mubarak sympathizers who beat up one reporter and kidnapped another.
不久之后，穆巴拉克的支持者袭击了阿拉伯电视台驻开罗办公室，殴打一名记者，绑架了另一个，关闭了驻开罗办公室。
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4. A piece of blood-stained paper, caught up from some meat-buyer's dust-heap, beat up and down the road without the gate; too flimsy to rest, too heavy to fly away; and a few straws kept it company.
一张带有血迹的纸，被风从一户买肉人家的垃圾堆里吹了起来，在门外的路上飞舞着；要落下来又显得太轻，要飞走又显得太重；陪着它一起飞舞的还有几根枯草。
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5. Not with that bird up there!” Sucre looks down to the base of the quarry and sees a small mobile home next to a beat up old car.
Sucre往下面的采石场基地望去，看到一间小型活动住房，旁边是一辆老爷车。
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6. Actually walking up and down the stairs would beat any exercise machine. You may also go jogging every morning.
事实上。爬楼梯可比什么健身器械都要好。每天早晨。你也可以去慢跑。
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7. In the earthquake zone who are in great sway until the first is sometimes beat up and down.
在震区的人在感到大的晃动之前，有时首先感到上下跳动。
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8. We had just made it up the precipitous cliff by the channel mouth when the day became dark, and raindrops the size of hailstones began to beat down to the accompaniment of a howling wind.
山路愈陡愈狭，我们刚到了峡口悬崖之上，周围一下昏暗起来，雹子大的雨点随着狂风猛扑而下。
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9. Half the roster went down with lengthy injuries and the Lakers scraped their way into the playoffs, a beat up vehicle that was quickly beat down by the superior Phoenix Suns.
一半的湖人球员因为长时间的伤病倒下了，湖人队跌跌撞撞的闯进了季后赛，被菲尼克斯太阳队很快地击败了。
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10. Together, they make the muscles tense up, the digestive tract slow down, blood vessels constrict and the heart beat faster.
这些化学物质共同作用，让肌肉紧张，消化系统减缓，血管收缩，心跳加速。
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11. The robot's wings not only beat up and down, but also twist at specific angles along the wingspan in the same way that a real bird does.
智能鸟的翅膀不仅能上下拍打，还能和真正的鸟类一样沿着翼展方向扭转一定的角度。
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12. Robbie: Well, you've got to run up and down with us in the market holding a frying pan with a pancake in it and try to beat the other teams.
罗比：你得手持煎锅，锅中盛块薄饼，和我们一起在市场来回跑，要跑得比其他队伍快。
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13. Walking down and up the stairs would beat any exercise machine.
上下楼梯课比什么健身器材都有用。
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14. Walking down and up the stairs would beat any exercise machine.
上下楼梯课比什么健身器材都有用。
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beat up and down
