流动

1. 气流分离移动的流线型的躯体上流体边界层上的分隔物，如飞机的机翼，在平滑的流体流动中会引起故障和湍流
   A separation in the boundary layer of fluid about a moving streamlined body, such as the wing of an airplane, causing a breakdown in the smooth flow of fluid and resulting in turbulence.
2. 粘滞性的对流动有较高抵抗力的
   Having relatively high resistance to flow.
3. 沙漏；滴漏用于计时的仪器，由两个玻璃盒组成，中由一细颈相连，盒内装有一定量的沙子，水银或其他流动物质，这些物质在一固定量的时间里，通常为一个小时，从上方的盒内慢慢流入下方的盒子中
   An instrument for measuring time, consisting of two glass chambers connected by a narrow neck and containing a quantity of sand, mercury, or another flowing substance that trickles from the upper chamber to the lower in a fixed amount of time, often one hour.
4. 电在（电路[导线]中）流动。
   Electricity is flowing (in the circuit/wires).

流的英语翻译：

动的英语翻译：