你所不知道的趣味常識

1. Your stomach has to produce a new layer of mucus every two weeks otherwise it will digest itself.
為了防止把自己消化掉，你的胃不得不每隔兩周就造出一層新的粘膜。

2. Owls are the only birds that can see the colour blue.
貓頭鷹是唯一能看見藍色的鳥類。 

3. You spend about 23 years sleeping in a 70 year life.
在70年的生命中，你大約要花23年的時間睡覺。

4. People will say “Bless you” when you sneeze because your heart stops for a millisecond.
當你打噴嚏時，人們會說“上帝保佑你”，那是因為你的心臟停跳了一毫秒。

6. Pigs can become alcoholic.
豬有變成酒鬼的能力。

7. A cat has 32 muscles in each ear.
貓的每只耳朵上有32塊肌肉。

8. All polar bears are left-handed.
所有的北極熊都是左撇子。

9. Butterflies taste with their feet.
蝴蝶用腳品嘗味道。

10. Bats use ultrasound to pick up vibrations from their prey.
蝙蝠用超聲波識別獵物發(fā)出的震動。

11. An average head has between 100,000-150,000 hairs.
人們頭上通常有10萬到15萬根頭發(fā)。

12. Hair on your head grows at 10-13mm per month.
你的頭發(fā)每個月會長10至13毫米。

13. Nails grow at 3mm per month.
指甲每個月會長3毫米。

14. In our solar system, the earth is the lucky planet that has the right temperature to recycle water.
在太陽系中地球是個幸運的星球，因為它有適宜的溫度可以使水再循環(huán)。