1. 氣流分離移動(dòng)的流線型的軀體上流體邊界層上的分隔物，如飛機(jī)的機(jī)翼，在平滑的流體流動(dòng)中會(huì)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. 粘滯性的對(duì)流動(dòng)有較高抵抗力的
   Having relatively high resistance to flow.
3. 沙漏；滴漏用于計(jì)時(shí)的儀器，由兩個(gè)玻璃盒組成，中由一細(xì)頸相連，盒內(nèi)裝有一定量的沙子，水銀或其他流動(dòng)物質(zhì)，這些物質(zhì)在一固定量的時(shí)間里，通常為一個(gè)小時(shí)，從上方的盒內(nèi)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. 電在（電路[導(dǎo)線]中）流動(dòng)。
   Electricity is flowing (in the circuit/wires).

流的英語翻譯：

動(dòng)的英語翻譯：