13% of in-flight medical emergencies—roughly four a day—are serious enough to require a pilot to change course.

飞机上医疗紧急情况中的13%——每天大约有四例——严重到需要飞行员改变航线。

youdao

We heard about a special intensive reading program that required students to spend four hours every day in a small room with an instructor.

我们听说了一个特殊的精读项目，要求学生每天在一个小房间里和老师呆上四个小时。

youdao

The Egyptians probably measured their day in twenty-four hours of unequal length.

埃及人很可能用不同长度的24小时来计量他们的一天。

《柯林斯英汉双解大词典》

Other experts say glass making first started four to five thousand years ago in ancient Mesopotamia, present day Iraq and Syria.

VOA: special.2009.09.16

They run from nine in the morning through four in the afternoon with multiple sections through the middle of the day, which are the most popular sections.

早上有9个课程,到下午有4个课程,而中午也有几个，那些都是很受欢迎的课程。

麻省理工公开课 - 固态化学导论课程节选

These studies were done in France with four-day-old babies.

这些实验在法国对四天大的婴儿进了研究

耶鲁公开课 - 心理学导论课程节选

Derbyshire, who Glamorgan face in four-day game starting on Monday are bottom of Division Two while Worcestershire host Sussex.

BBC: Matthew Maynard welcomes Glamorgan's 'clear' win target

He has been batting at number five in four-day games for Tasmania while still opening in shorter forms of the game, the role he fulfils for Glamorgan in northern hemisphere seasons.

BBC: Mark Cosgrove wants to return to his Glamorgan 'home'

"Last season showed that we have become more difficult to beat in four-day cricket and from a poor start, our performances in one-day cricket improved at the back end of the season, " said Dalrymple, who joined Glamorgan in 2008.

BBC: Coach Matthew Maynard signs new Glamorgan deal