up and down
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释义
上上下下；起落；
英英释义
up and down
adv.
moving backward and forward along a given course
alternately upward and downward
双语例句
They are getting up and down all the time.
它们总是不停地上上下下跑。
I've looked high and low for my wallet.
我上上下下地找我的钱包。
The lion paced restlessly up and down in its cage.
狮子在笼子里不安地来回走动。
It takes me an hour to walk there and back.
我步行一个来回用一小时。
权威例句
Up and Down법을 이용한 목재와 목질재료의 연소시험Up and down
Up and down
Up and Down With Ecology: The Issue Attention Cycle
Up and Down with Ecology
Psychosomatics and psychopathology: looking up and down from the brain
Staircase bioassay: the up-and-down method.
Up and down states in striatal medium spiny neurons simultaneously recorded with spontaneous activity in fast-spiking interneurons s...
Up-and-down regulation of skeletal muscle acetylcholine receptors. Effects on neuromuscular blockers
The Up-and-Down Method with Small Samples*
Root-to-shoot signalling: Assessing the roles of ‘up’ in the up and down world of long-distance signalling in planta
The emergence of Up and Down states in cortical networks
Improved up-and-down designs for phase I trials.
1. He looked up and down the rain-swept street.
他上下大量着下着大雨的街道。
《柯林斯英汉双解大词典》
2. Do you get puffed out running up and down the stairs?
你会因为跑上跑下楼梯而气喘吁吁吗？
《柯林斯英汉双解大词典》
3. 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》
4. He jigged up and down with excitement.
他激动得又蹦又跳。
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5. She paced up and down outside the room.
她在屋子外面来回走着。
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6. My relationship with him was up and down.
我跟他的关系忽冷忽热。
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7. Tiny boats bobbed up and down in the harbour.
小船在港湾中颠簸。
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8. The boat bobbed up and down on the water.
小船在水面颠簸。
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9. The children jumped up and down to keep warm.
孩子们上下跳动保持身体暖和。
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10. He kept bouncing up and down like a yo-yo.
他像个悠悠球似的蹦蹦跳跳。
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11. I strolled up and down thoughtfully before calling a taxi.
叫出租车前,我若有所思地来回踱步。
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12. Soldiers were marching up and down outside the government buildings.
士兵在政府大楼外面来回练习队列行进。
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13. She walked up and down, flapping her arms to keep warm.
她来回走动，挥动着双臂使身体暖和起来。
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14. People were parading up and down showing off their finest clothes.
人们走来走去，炫耀着他们最漂亮的服装。
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15. The car was bouncing up and down as if someone were jumping on it.
车上下颠簸，仿佛有人正在上面跳动。
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16. The performers, in costume and makeup, were walking up and down backstage.
演员们穿着戏服化着妆，在后台走来走去。
《柯林斯英汉双解大词典》
17. He immediately threw a tantrum, screaming and stomping up and down like a child.
他立刻发起脾气来，尖叫着，像孩子似的来回跺脚。
《柯林斯英汉双解大词典》
18. The waves were about five feet high now, and the bow of the boat was leaping up and down.
浪头现在约有五英尺高，船头上下颠簸。
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19. I looked up and down the corridor.
我来回扫视着走廊。
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20. He kept pumping my hand up and down.
他不停地摇动着我的手。
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21. She bounced up and down excitedly on the bed.
她兴奋地在床上蹦蹦跳跳。
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22. The children were jumping up and down with excitement.
孩子们兴奋得跳来跳去。
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23. The boat rocked up and down in rhythm with the sea.
小船随着海浪起伏有致。
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24. She was pacing up and down in front of her desk.
她在办公桌前踱来踱去。
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25. I found him in the corridor nervously pacing up and down.
我发现他在走廊里焦虑不安地走来走去。
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26. This is a subject very dear to the hearts of academics up and down the country.
这是全国学者都极为重视的话题。
《柯林斯英汉双解大词典》
27. Up and down they went, and round and round.
他们飞上飞下，还绕着圈子飞。
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28. Peter's heart bobbed up and down as he listened.
彼得听着，心忽上忽下。
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29. It was lively both up and down the street.
街上到处都很热闹。
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30. It was lively both up and down the street.
街上到处都很热闹。
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up and down
