可以组成单词clean，意思是：adj.清洁的;干净的;洁净的;爱干净的;爱整洁的;无有害物的;无污染的。
v.打扫;除去…的灰尘;使…干净;变干净;(烹调前给鱼、鸡等)清除内脏。adv.(行动)彻底地，完全地。n.打扫;清扫。例句：
1. Kitchens that are not kept clean may be closed for use.未保持清洁的厨房可能会停止使用。
2. The house needed a good clean.这房子需要彻底打扫。
3. To avoid potential health risks it would be wise to regularly clean your car inside and out.为了避免潜在的健康威胁，定期彻底地清洁汽车是明智的。
