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汉语拼音：bō dòng

起伏不定；不稳定：情绪～。物价～。思想上又有了～。

1. 起伏；摇动；不穏定。

   梁斌 《播火记》二：“因为 江涛 他们的事情，她心上还是不安，按也按不住心头波动的情绪。” 吴组缃 《山洪》二六：“每棵茎杆都壮实的立在泥土上面，随风不住的在波动着。” 周而复 《上海的早晨》第四部二九：“我哪里会把消息透出去，那不要引起工商界的波动吗？”

2. 谓目光流转。

   艾芜 《红艳艳的罂粟花》：“她那波动的眼睛、秀美的鼻子，有着感人的媚力。”

3. 物理学名词。振动传播的过程，是能量传递的一种形式。最普通的是机械波(如水波、声波)和电磁波。

• Overproduction and consequent low market prices for wine caused economic tremors.

  葡萄酒生产过剩及由此造成的市价低迷引起了经济波动。

• There have always been slight oscillations in world temperature.

  全球气温一直在轻微波动。

• Larry began suffering severe headaches and violent mood swings.

  拉里开始出现严重的头痛和剧烈的情绪波动。

• Dieters suffer from violent mood swings.

  节食者会有激烈的情绪波动。

• He showed the price fluctuations in a statistical table.

  他用统计表显示价格的波动.

• The turbulence in his life has come from accidents and illness.

  他一生中的波动来自疾病和不测事故.

• The cost is not sensitive to the batch size.

  价格不因整批尺寸的变化而发生波动.

• The price of vegetables fluctuates according to the weather.

  蔬菜价格随气候波动.

• Fluctuating prices usually base on a fickle public's demand.

  物价的波动往往是由于群众需求的不稳定而引起的.

• He wept and laughed as his humour moved him.

  他因情绪波动而又哭又笑.

• The grass waved in the wind.

  草在风中起伏波动.

• Prices fluctuate from year to year.

  物价年年波动.

• There is an analogy between the way water moves in waves and the way light travels.

  水的波动与光的运行有类似之处.

• Even a small wobble will hurt its banks, which have roughly $120 billion in outstanding property loans.

  哪怕稍有波动也会殃及其银行，各银行有大约1,200亿美元未偿房贷。

• Body temperature can fluctuate if you are ill.

  人患病后体温可能会上下波动。