Cascade chromatography

cascade [kæ'sked]

n. 倾泻;小瀑布，瀑布状物;串联; vi. 流注;大量落下;

casc下落+ade东西，状态 →小瀑布

chromatography

n. 色谱法\\n[化] 色谱法; 层析法

Four will be good.

4只应该够。

The highest art is to conceal art.

最高的艺术就是不露艺术。

You were very kind. You brought out all your jewellery and you told me I could take anything I wanted. There were so many beautiful things that it was hard to choose. And then I saw a lovely diamond necklace with a big blue stone in the centre.

你太好了。当时你把所有的珠宝首饰全都拿了出来，而且说，我要什么就可以拿什么。漂亮的首饰太多了，实在难挑选。后来我终于看中了一条美丽的钻石项链，中间还嵌着一颗大蓝宝石。