顺滑的英文是smooth。
smooth的第三人称单数形式是smooths，过去式形式是smoothed，过去分词形式是smoothed，现在分词形式是smoothing，比较级形式是smoother，最高级形式是smoothest，名词形式是smoothness。可造句子如下：
1、The flagstones beneath their feet were worn smooth by centuries of use.
他们脚下的石板路经过数百年的踩踏，磨得光溜溜的。
2、Smooth the mixture with the back of a soup spoon.
用汤勺的背面把混合料抹平。
3、Twelve extremely good-looking, smooth young men have been picked as finalists.
12名特别漂亮精明的青年男子被选为参加决赛的选手。
4、The ride was smooth until they got into the merchant ship's wake.
航行一直很顺利，直到他们碰上了商船的尾流。
我躲在墙角哭
