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- A backward flow of water, as from the action of oars. 反流，逆流向后流的水，如由浆的划动引起
- A backward flow of water,as from the action of oars. 反流，逆流向后流的水，如由浆的划动引起。
- A backward flow of air, as from the propeller of an aircraft. 喷气流向后流动的空气，如由飞机的螺旋浆引起
- In addition, the taper also affects the original position of the backward flow. 此外，锥度对于回流的初始发生位置也产生了影响。
- an abnormal backward flow of body fluids. 身体液体的异常回流。
- backward flow interface centrifugation 逆流界面离心
- a backward flow of air,as from the propeller of an aircraft 向后流动的空气，如由飞机的螺旋浆引起
- A backward flow of water, as from the action of oars 反流，逆流向后流的水，如由浆的划动引起
- He lined out for home without a backward glance. 他头也不回，急忙往家里走去。
- This part of the country is still backward. 这个国家的这个地区仍很落后。
- In some cities housing conditions went backward. 某些城市的住房条件越来越差。
- The teacher was patient with backward children. 那位老师对迟钝的学童十分耐心。
- He looked backward over his shoulder. 他回头向后看。
- A free flow of water came from the pipe. 水从管道里通畅地流了出来。
- In convection, hot currents flow upwards. 在对流中热气流向上运动。
- After several pumps, the water began to flow. 用泵抽了几下之后,水流出来了。
- She looked backward over her shoulder. 她回头往後看。
- A flow of word is no proof of wisdom. 口若悬河，未必明智。
- Several conclusions flow from this hypothesis. 从这项假设中可以得出几个结论。
- Sheila is very clever but rather backward in expressing her ideas. 希拉很聪明，然而在表达思想时却有些腼腆。
