a. 被污染的, 被玷污的, (美)(非正式)喝得烂醉的

◆记忆方法一：
联想方式：po破；ll筷子；u油；ed特大
记忆方法：破旧的筷子上面有油，特大的一块，显然是被污染了。

biscuit/cookie/brick/pollute/pollution/polluted
记忆：
1. biscuit [ 5biskit ] n. 饼干, 小点心 Wait a moment. I’ll get some biscuit for the kid. 等一下。我给孩子拿点饼干。
2. cookie [`kJkI] n. (苏格兰)甜面包, (美国)小甜饼 Help yourself to the cookies on the table if you are hungry. 你饿了的话就请随便吃一点桌上的小甜饼吧。
3. cake [ keik ] n. 蛋糕, 饼, 块 Father bought her a large cake for her birthday. 父亲为她生日买了一个大蛋糕。
4. pie [ pai ] n. 馅饼 Here pies are served as dessert. 这儿馅饼用作甜点。
5. brick [ brik ] n. 砖, 砖块 In the countryside, brick houses have taken the place of clay ones. 在乡下，砖房已经取代了土房子。
6. pollute [ pE5lu:t, -5lju:t ] vt. 弄脏, 污染 When will the Fuhe River stay away from being polluted?府河什么时候能不被污染？
7. pollution [ pE5lu:FEn, -5lju:- ] n. 污染, 玷污 The pollution is doing great harm to the beauty of the area. 环境污染正在极大地危害着这一地区的美景。
8. polluted [ pE5lu:tid ] adj. 污染的, 玷污的 You can not drink the polluted water. 你不能喝被污染了的水。
另类阅读：
Don’t throw any brick into the biscuit, which will pollute the biscuit. We place the biscuit in such a high position just to free it from any pollution.