Can you see a clock, a bear and a mouse? ……

200 millionUS physicists have made a clock so accurate* that it will never gain or lose a second in more than 200 million years. The clock works even better than the officialatomic clock(原子钟) used ……

This clock doesn't need a battery1. Just fill it with water and lemon juice. Then it works. ……

SOMETHING is wrong with your clock. It loses exactly 24 minutes every hour. The time it shows is now 3 am. You know that the clock was correct at midnight when you set it. The clock stopped 1 hour ……

A clock runs faster on a tall mountain than at sea level (海平面).A clock runs faster on a tall mountain than at sea level (海平面). ……

看看小怪物的作息时间和我们的一样吗？At six o'clock, monsters wake.At seven o'clock, they make a mistake. At eight o'clock, they go to school. At nine o'clock, monsters spell. At ten o'clock, they show and tell. At eleven o'clock ……

看看小怪物和我们的时间一样吗？At six o'clock, monsters wake1.At seven o'clock, they make a mistake2. At eight o'clock, they go to school. At nine o'clock, monsters spell. At ten o'clock, they show and tell. At eleven o'clock ……

这个钟为什么挂那么高？There’s a big clock in a city. It hangs very high. When traveling around the city, one visitor asked his friend, “Why is the clock so high? It is very inconvenient (不方便的). If I were inside ……

Knit tick tock会织围巾的钟。WHAT can a clock do besides tell time? This clock can knit (编织) a scarf (围巾). If you can wait for one year, the clock will knit a 2-meter-long scarf for you. A Norwegian (挪威 ……

Knit tick tock会织围巾的钟。WHAT can a clock do besides tell time? This clock can knit (编织) a scarf (围巾). If you can wait for one year, the clock will knit a 2-meter-long scarf for you. A Norwegian (挪威 ……

会织围巾的钟What can a clock do besides (除了) telling time? This clock can knit (编织) a scarf. If you can wait for one year, the clock will knit a 2-meter-long scarf for you. ……

This clock is different. It runs on water. Fill (装满) it with some water, and then it can run itself. This amazing (神奇的) water clock can save (节省) you many batteries (电池). ……

神奇的水时钟。THIS clock is different. It runs on water. Fill (装满) it with some water, and then it can run itself. This amazing (神奇的) water clock can save you many batteries (电池). ……

This is a special clock. There is no numbers on it. How does it tell us the time? The clock looks like a balloon. There are 12 wrinkles (褶皱) on the balloon. Each wrinkle stands for (代表) a number ……

Round the clock*Round the clock the hours goSometimes fast and sometimes slowTell me what the two hands sayThey will tell the time of day*Nine o'clock, it's time for bedCome with me, you ……