形容词
中文翻译：光滑的
同义词：
['smooth', 'even', 'smooth-running']
例句：
-
1.The car's engine is smooth and quiet.
这辆车的引擎既平稳又安静。
-
2.The road was smooth enough to drive on without a tire.
路非常平，以至于可以不用轮胎就开过去。
-
3.The painting is so smooth that it looks like water.
这幅画太平滑了，看起来像水一样。