But dentists say a baby's gums and early teeth should be cleaned after each feeding.

VOA: special.2009.03.11

Again, this probably should be cleaned up and in a couple of weeks we'll spend a day or half period trying, to clean it up and make it somewhat more precise.

以上内容还有待梳理,未来两周我们将会花上一天半左右的时间,试着梳理这些内容,使其更加精确

耶鲁公开课 - 死亡课程节选

And the first crack was a movie that's so long that it used to be the janitors, the people who cleaned these-- the very nice people who cleaned these rooms used to call it a two six-pack movie because it was so long.

第一个漏洞是一部特别长的电影,以前那个楼管,打扫卫生的,给这些教师打扫卫生的优秀工作者,以前管它叫一打啤酒电影因为太长了

耶鲁公开课 - 1871年后的法国课程节选

For another,she pretended to be a woman who cleaned houses so she could report about illegal activities in employment agencies.

VOA: special.2010.10.10

Experts say the containers cannot be effectively cleaned after a flood.

VOA: special.2010.07.19