I never knew bread could be this good; the crust was this dark brown, sweet crust that turned chewy in your mouth.

VOA: standard.2010.07.16

And then for some reason, that nobody understands, 16/15 he decided to multiply again by 16/15, and that's how we get 32 for freezing of water and 96 in his words for the temperature in the mouth or underneath armpit of a living man in good health.

然后，因为同样的原因，没人搞得明白，他决定再乘以，现在水的冰点变成了32度,而96度，拿他的话来说,是健康状况良好的人,口腔或腋窝的温度。

麻省理工公开课 - 热力学与动力学课程节选

Word of mouth, even, is a sort of good way to find out.

即使是通过口口相传的信息也可以找到好的实习机会。

多样的实习机会 - SpeakingMax英语口语达人

Assistant Director-General for Health Security and Environment at the World Health Organization, Dr.Keiji Fukuda, urged people to practice good hygiene, including washing their hands and covering their mouth when they cough, and if they become sick to stay home.

VOA: standard.2009.04.29