bounce up and down
上下跳动：快速地反复上下跳动。
常用释义
英式发音
美式发音
基本释义
- 上下跳动：快速地反复上下跳动。
例句
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1·Even though, the boy liked to bounce up and down.尽管如此，男孩还是喜欢上下弹跳。
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2·The head should not bounce up and down during this drill.在做这个训练的时候，头部不允许上下移动。
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3·Patient: Why do you ask me to bounce up and down on my bed?病人：为什么你让我在床上上下蹦跳呢？
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4·Medicine Patient: Why do you ask me to bounce up and down on my bed?病人：为什么你让我在床上上下蹦跳呢？
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5·A raisin dropped in a glass of fresh champagne will bounce up and down continuously from the bottom of the glass to the top.一粒葡萄干落入一杯新酿的香摈中时，它会从杯底到杯口不断地上下跳动。
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6·The vibrations can cause houses to slide off their foundations, and can make buildings contract, expand, shake from side to side, and bounce up and down.震动会使房屋滑出它们的建筑，会使建筑物收缩、廓张，两边摇晃，和上下弹跳。
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7·The ring will jump up the core and, if it does not fly clear of the core, will bounce up and down in a swing-like manner, finally coming to rest at a point some distance up the core from the coil.环会跳起来的核心，如果它不飞的核心明确，将反弹向上和向下挥杆样的方式，终于来到休息点一些，从线圈核心的距离。
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8·Normal swells, known technically as gravity waves, are created by wind pushing the surface of the sea up and gravity then pulling it down, causing it to bounce.一般的波浪，技术上被成为重力波，是由于风推动着海洋表面上升而后又在重力的作用下被拉向下方，这便会导致海水的回弹。
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9·Now I'm going to drop them together vertically down, and then this ball will bounce up somehow.现在我将要把它们同时垂直投下，然后球会以某种方式弹起。
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10·Answer: If you bounce when you run, your head and body are moving up and down too much, which wastes a lot of energy.答：如果跑步有弹跳，您的头和身体上下移动幅度太大，这样会浪费许多能量。