1. Stovepipe: a structure that supports mostly up-down flow of data but inhibits cross organizational communication.
烟囱(Stovepipe)：结构上支持数据主要在上下方面的流动，却禁止平行的通信。
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2. Modern car engines that use rolling or sliding tappets for transmitting the rapid up-down lifting motion of the spinning camshafts—to open and close the engine’s inlet and exhaust valves—seem immune.
6. All up and down the street the windows bang shut.
整条街的窗户都砰砰关上了。
《柯林斯英汉双解大词典》
7. He kept bouncing up and down like a yo-yo.
他像个悠悠球似的蹦蹦跳跳。
《牛津词典》
8. He jigged up and down with excitement.
他激动得又蹦又跳。
《牛津词典》
9. My relationship with him was up and down.
我跟他的关系忽冷忽热。
《牛津词典》
10. She paced up and down outside the room.
她在屋子外面来回走着。
《牛津词典》
11. The boat bobbed up and down on the water.
小船在水面颠簸。
《牛津词典》
12. Tiny boats bobbed up and down in the harbour.
小船在港湾中颠簸。
《牛津词典》
13. She bounced up and down excitedly on the bed.
她兴奋地在床上蹦蹦跳跳。
《牛津词典》
14. I looked up and down the corridor.
我来回扫视着走廊。
《牛津词典》
15. He kept pumping my hand up and down.
他不停地摇动着我的手。
《牛津词典》
16. The children were jumping up and down with excitement.
孩子们兴奋得跳来跳去。
《牛津词典》
17. Bond spreads can go up, down, sideways or even resemble a bowl of spaghetti.
债券差价能上能下，能左能右，甚至与一碗意大利面条相似。
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18. Marking up all your view columns with up/down arrows is not necessarily making your application any easier to use, but it certainly will make it slower.
将所有视图列都标记上向上/向下箭头不一定会使应用程序更容易使用，但它一定会使应用程序更慢。
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19. Price is up (down).
价格上涨(下跌)。
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20. During laboratory trials in 2006, the RIC was found to be much more accurate and at least 50% faster than touch screens and 'up, down, select '(UDS) systems.
