Bad weather has interfered with efforts to send out boats to clean up the oil and watch for the effects on wildlife in the Gulf of Mexico.

VOA: special.2010.05.04

The Eagles prided themselves on being clean living, not using cuss words and treating each other with respect.

老鹰队自豪于自己的生活严谨，不说脏话，尊重他人。

耶鲁公开课 - 心理学导论课程节选

Clean the cut with soap and water.

VOA: special.2009.08.11