The cloud is heavy, and it is not light（轻的）, which is equivalent（相当于） to 100 elephants.
• It was estimated（估计） that a cloud of 1 billion cubic（立方） meters, 550 tons.
Something you know or don't know
No piece of paper can be folded(对折) more than 7 times
没有一张纸可对折超过7次
If we fold a piece of paper in half 20 times.
• Thickness（厚度） of paper： 20 0.1×2 =104857.6（毫米）=104.8576（米） • 30 storeys high（30层楼高）：30×3=90（米）
• Bangkok, Thailand(泰国曼谷)
Nails（指甲） from the bottom to the top of the top six months.
There is a heart-shaped（心形） coral reef （珊瑚礁） in Australia.
There are more than 90% silver medals in the Olympic gold medal
Peanut butter（花生酱） can be turned into diamonds.
Scoop up(挖起) soil（土壤） with spoons（勺）, more microorganisms（微生物） living inside than the earth's population.（人口）
Maybe there are two of you in your body.
Hands can have their own thoughts.It is called' Alien Hand Syndrome'(异己手综合症).The patient（病人） will feel as if the hand is not a part of the body.
According to the Newton dictionary （牛顿 词典）the longest English word in the world is： “pneumonoultramicroscopicsilicovolcanoco niosis”（硅酸盐沉着病）
• There is only one kind of food that will not spoil（变质）: Honey
The longest place in the world has 167 letters.
• ——Krungthep Mahanakhon Bovorn Ratanakosin Mahintharayutthaya Mahadilokpop Noparatratchathani Burirom Udomratchanivet Mahasathan Amornpiman Avatarnsathit Sakkathattiyavisnukarmprasit
People sleep more calories（卡路里 ） than sitting watching TV.
“quick brown fox jumps over the lazy dog”
• 敏捷的棕色狐狸跳过了那made of 26 letters.
用汤勺挖一勺土，里面生活着的微生物数量比地球上 的人口总数还多。
In the past five minutes, the earth moved about 8000 km.
Only one side of the moon can be seen on the earth.
The longest flight（n.飞行） record（记录） for a paper plane is 61 meters.
Until the invention（发明） of canning（罐头 ） after 48 years, people have invented the can opener（开罐器）.
In the history of the library books are not returned(归还) to the record for 288 years.
•
Vinci（达芬奇） painted the lips of "Monalisa" （ 蒙娜丽莎）for twelve years.
Do you think the human body is fragile(脆弱的)?
• The human body can survive without much of the internal organs（内脏）. Such as：A spleen（脾）、A stomach、One kidney（肾）、A lung（一叶肺）、75% of the liver（肝）、80% of the intestines（肠）.