例句：
There are many pebbles on the riverbed.
河床上有很多卵石。

2.ripple n. 漣波,漣漪,波紋

例句：
The pebble make a ripple on the surface of the lake.
石子在湖面上激起一個漣漪。

3.dividend n. 紅利,股息,彩金,被除數(shù)

例句：
The company declared a large dividend at the end of the year.
公司在年底宣布分發(fā)高額股息。

4.shrink n. 收縮,萎縮 v. 收縮,退縮,萎縮

例句：
She shrink back from his grasp.
她往后退縮不讓他擁抱。

5.embitter v. 使受苦,使難受,使怨恨

例句：
I was embittered by repeated failures.
我因屢次失敗而苦惱。

6.repel v. 逐退,使...厭惡,反駁

例句：
The crew repelled the attack.
船員擊退了進攻。

來源:可可英語 http://www.ccdyzl.cn/Article/200904/67587.shtml