First, the basic explanation:
The general term for clocks and watches.
Second, the detailed explanation:
1, clock.
(Qing) Zhao Lian's "Xiao Ting continues to record the bell": "Recently, Taixi made a bell to make a strange evil."
2. Same as "clock".
Clocks and watches are also precise instruments for measuring and indicating time. Clocks are usually distinguished by the size of the internal machine.
According to international practice, clocks and watches with a movement diameter greater than 80 mm and a thickness greater than 30 mm; A pocket watch with a diameter of 37~50 mm and a thickness of 4~6 mm is called a pocket watch; Watches with a diameter less than 37 mm; A watch whose diameter does not exceed 20mm or whose movement area does not exceed 3 14m2 is called a women's watch. The watch is one of the smallest, strongest and most sophisticated machines invented by human beings.
Fourth, classification:
The power of modern clocks and watches includes mechanical force and electricity.
1, mechanical clock:
Mechanical clock is a kind of timer which uses the energy released by heavy hammer or spring as power to drive a series of gears to run, adjusts the speed of gear train with the help of escape governor, and indicates time and metering time with hands.
2. Electronic clock:
Electronic clock is a kind of modern timer which is powered by electric energy, and LCD displays numbers and timely hands.
Make sentences:
1. Money can buy clocks, but it can't buy time.
2. Money can buy a house, but not a home; Marriage, but not love; Clock, but can't buy time. Money is not everything, but it is the root of pain. Give me your money and let me suffer alone.
When I was a child, the clock painted on my hand did not move, but it took away our best time.
Money can buy clocks, but not necessarily time.
With money, you can buy clocks, but you can't buy time.
There are all kinds of clocks and watches in the museum.
7. Clocks and watches are the yardstick we use to measure years. At some point, it will also be submerged by years.
8. There are many clocks and watches with beautiful designs and shapes in the Palace Museum.
9. Money can buy a house, but it can't buy a home; Marriage, but not love; Clock, but can't buy time. Money is not everything, but it is the root of pain. Give me your money and let me suffer alone.
10, get up late in the morning. I dressed and washed in a hurry, picked up my schoolbag and ran out to look back at the clock. Great! Just in time.
1 1, the missing raindrops, beating in the lightning in your dream, can never bring back the lost love from the clock.
12, money can buy clocks, but it can't buy time.
13, money can buy clocks, but it can't buy time; Money can buy gifts, but it can't buy friendship.
14. Enthusiasm and inspiration are not affected by the will, are not adjusted by the clock, and will not come out according to the scheduled date and hour.
15. Physics is like a Swiss watch. It is rigorous, scientific, rigorous and meticulous, which makes people want to stop.