Acid purification system

acid ['æsɪd]

adj. 酸味的;尖刻的;酸的;酸性的; n. <化>酸;酸味物质;

acid尖，酸，锐利 →酸；酸的，酸性的

purification [ˌpjuərifi'keiʃən]

n. 洗净;涤罪;提纯;（犹太妇女按教规在月经后行的）洁净礼;

system ['sɪstəm]

n. 体系，系统;制度;身体;方法;

sy(syn-=together)+ste(to stand)→系统；体系；秩序；制度；方法

but he usually managed to squeeze a Sunday in

但是他总会设法挤出星期天，

It's very popular.

它很受欢迎。

Some stories are for swallowing. Imagine that you have found a good story, and, what is even more important, the time to enjoy it. You might be on holiday, or on a long train journey. If it is a good book, you might say, It's so good I can't put it dow

“这本书太好了，我舍不得把它放下。”但是并非所有的故事书都属于这一类。书评家们有时把一些书说成是“难以释手”的书，或者是“难以再读”的书。