He looked up and down the rain-swept street.
他上下大量着下着大雨的街道。
He kept bouncing up and down like a yo-yo.
他像个悠悠球似的蹦蹦跳跳。
Tiny boats bobbed up and down in the harbour.
小船在港湾中颠簸。
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。
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。
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。
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。
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。
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。
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。
She bounced up and down excitedly on the bed.
她兴奋地在床上蹦蹦跳跳。
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。
Peter's heart bobbed up and down as he listened.
彼得听着，心忽上忽下。
He walked up and down the room, to keep his blood in motion, soliloquising as before.
他在房间里踱来踱去，像刚才那样自言自语，使他的血液不停地流动。
He walked up and down the floor, filled with nameless fears, listening, starting at every trifling sound.
他在地板上踱来踱去，心中充满了说不出的恐惧，他仔细的听着，每听到一点小动静都吓一跳。
I got tired of running up and down the stairs to see if the clothes had been removed.
我已经厌倦了在楼梯上跑上跑下，去看衣服有没有被拿走。
They lay sleeping under a tree, and snored so that the branches waved up and down.
他们正躺在一棵树下睡觉，鼾声大作，使得树枝上下摆动。
The robot can be controlled through a web browser with the up and down controls on a computer keyboard.
可以在家中通过一个网络浏览器，用电脑键盘的上下键对机器人进行远程遥控。
All through breakfast I kept jumping up and down, clapping my hands and laughing out loud.
在吃早餐的时候，我一直在那儿上窜下跳，不停地拍手和大笑。
Quite near the rock, but out of sight, two heads were bobbing up and down, Peter's and Wendy's.
离岩石很近，但看不见的地方，有两个脑袋上下浮动，是彼得的和温迪的。
The boy and his father looked at the handsome fish, the fish jumped up and down in the moonlight.
男孩和他父亲看着这条漂亮的鱼，鱼在月光下跳上跳下。
The hyperbolic surface, which has so-called negative curvature because its surface curves up and down at the same time, like a saddle.
双曲曲面，即通常所称的负曲率，因为它的表面同时向上和向下弯曲，就像一个马鞍。
How do you get these hearts to move up and down and seemingly in random patterns?
你怎样才能让这些爱心看起来是在随机的模式中上下移动呢？
Users click the up and down arrows to make selections.
用户通过点击上移和下移箭头进行选择。
He said it with such decision Ben Weatherstaff looked him over, up and down, down and up.
他说这话的时候是那么的坚决。本·威瑟斯塔夫不由得上下上下打量了他一番。
When the unicorn saw the number stuck to my side, it started bouncing up and down in excitement.
当这只独角兽看见贴在我侧面的数字时，它开始兴奋地跳上跳下。
He might take a clip of a mollusk going up and down in the water and set it to music.
他可能会截取软体动物在水里上上下下的片段，然后配上音乐。
Peter strode up and down, ordering finishing touches.
彼得踱来踱去，指挥做最后的修饰。
The elevator goes up and down along the cable.
电梯沿着电缆上下移动。
The elevator goes up and down along the cable.
电梯沿着电缆上下移动。
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