知道“five o'clock shadow”的意思，就能轻轻松松理解上面那句台词的意思了！ “five o'clock shadow”它是指：（早上刮脸后下午又长出的）胡须。 原来，男生在早上刮完胡子后，到下午五点就会长出来一点点胡子。 所以人们就用five o'clock shadow来形容男生脸上的胡茬。

The molecular clock hypothesis was originally proposed by researchers Emile Zuckerkandl and Linus Pauling on the basis of empirical observations, but it soon received theoretical backing when ...

Our cosmic-time clock from the beginning to the end of time does not utilise the metaphor of a day ending at midnight, but rather a week climaxing at sunset on Friday – Erev Shabbat!

In this KS2 maths article you’ll learn how to recognise and order right, acute, obtuse, reflex and straight line angles. We also have a KS2 Maths quiz and lots of examples.

The Time Machine grandfather clock is made from a monolithic block of Carrara marble – a material the designer's studio has become known for over the past decade.. It will be produced in a ...

Physicists have demonstrated all the ingredients of a nuclear clock — a device that keeps time by measuring tiny energy shifts inside an atomic nucleus. Such clocks could lead to vast ...

The Doomsday Clock symbolising how near humanity is to destruction has been moved one second forward to 89 seconds to midnight - the closest it has ever been. The Bulletin of the Atomic Scientists ...