以cl开头的单词有clean、clear、close、closed、class。
cleanadj.洁净的；干净的；爱干净的；爱整洁的；无有害物的；无污染的
She could see clear down the highway into the town.
她顺着公路一直望去，能看到远处的那座城镇。
This behaviour must stop ─ do I make myself clear?
这种行为必须停止——我讲清楚了吧？
The traffic took a long time to clear after the accident.
事故过去后很长时间交通才恢复畅通。
