Diffusion current constant

diffusion [dɪ'fjʊʒən]

n. 扩散;<物，化>扩散;传播;<人>（文化等的）传流;

dif分开+fus流，泻+ion名词后缀→ 普及；弥漫

current ['kɝənt]

adj. 现在的;最近的;流行的;流传的; n. 趋势;电流;水流;涌流;

curr跑，发生+ent具有...性质的→跑的→流动的

constant ['kɑnstənt]

adj. 不断的，持续的;永恒的，始终如一的;坚定;忠实的; n. [数]常数，常量;不变的事物;永恒值;

con始终+stant站立→始终站着→不变的

Don't lose sleep over it.

别因为这事儿睡不着觉。

I was listening to the radio.

我正在听收音机。

We set off down the hill. At first it was easy walking over the grass. Then the grass turned to bushes and the hillside became steeper. We climbed over rocks, through trees and found it more and more difficult to get down the hill. By now we were beginnin

我们开始下山，起初很容易地走过草地，后来草地变成了灌木丛，山峰变得更陡了。我们爬过岩石，穿过树林，发现下山越来越难。这时我们感到疲惫，雨也下大了。我在一小块草地上停下来，转身看看跟在我后面的弟弟。就在这时我在两块岩石中间发现了一个洞。“我过去看看，”我喊?2282