rim
n
1 edge or border of sth that is (approximately) circular 圆形(或近似圆形)物体的边缘
the rim of a cup, bowl, etc 杯、 碗等的边
a pair of spectacles with gold rims 一副金框眼镜.
2 outer edge of a wheel, on which the tyre is fitted (安装轮胎的)辋圈, 轮圈. =>illus at App 1 见附录 1 插图, page xiii. rim, v (-mm-) [Tn]
provide (sth) with a rim; be a rim for (sth) 给(某物)镶边; 形成(某物)的边缘
Mountains rimmed the valley. 群山环绕著这个山谷.
Next, if it is not a story, get an idea of the organization of the book. Read the back cover and the introduction. Look at the pictures and the short texts below them. Turn to the front of the book and look at the contents. This way you can decide whether