今天是全國愛牙日。還記得是自己是幾歲開始換牙的嗎？還記得換下來的牙是直接扔了，還是小心翼翼寶貝似的珍藏著？來看看世界各地的孩子們是怎么換牙的吧：

Japan
If it is a lower baby tooth, throw it up onto the roof; and if it is an upper tooth, throw it underneath the 'en-no-shita' (the lower portion below the floor of a Japanese house). It is done so that the upper tooth grows healthy downwards, while the lower tooth upwards.
在日本，如果掉的是下牙，就扔到房頂上去；如果是上牙，就放在外廊地板下面。這樣是為了讓上牙向下長，下牙向上長。

Vietnam
Both the upper and lower teeth are thrown up over the house.
在越南，不管上牙還是下牙都會扔到房頂上去。

Korea
The same method as that of Japan.
在韓國，做法和日本一樣。

USA
A child puts the baby tooth under his pillow before going to bed. A tooth fairy comes during the night and takes the tooth with her. The next morning, the child would find money underneath the pillow.
在美國，孩子們在睡覺前把掉了的牙放在枕頭下面。夜里“牙仙”來把牙取走，第二天早上，枕頭下面會有錢哦~

France
Like the American version, the child puts his baby tooth under the pillow when he goes to bed. The fairy takes it while he is asleep, and replaces it with a present instead of money.
在法國，和美國有點(diǎn)像，只是第二天早上枕頭下面不是錢而是小禮物。

Mexico
It is the same as the American and the French version, so the child goes to bed with the baby tooth under the pillow. A mouse, not a fairy, takes it during the night. She leaves some money, too.
在墨西哥，和美國、法國有點(diǎn)像，只是來取走牙的是老鼠，當(dāng)然也會留下錢哦~

Mongolia
In Mongolia, they put the baby tooth in the meat and feed it to the young dog. Because the dog is respected and is considered a guardian angel. When the guardian angel eats it, it is said, that a strong tooth will grow.
在蒙古，人們把乳牙放在小狗的狗食中。因?yàn)槟抢锏娜税压房醋鍪鞘刈o(hù)神。傳說如果守護(hù)神吃了牙，孩子們就會長出強(qiáng)壯的牙齒。

United Kingdom
Like the American version, the child puts his baby tooth under the pillow. The fairy takes it and replaces it with a coin.
在英國，和美國差不多，不過枕頭下面會是一枚硬幣。

Spain
In Spain, a mouse replaces the baby tooth under the pillow with a coin during the night.
在西班牙，會是一只老鼠把枕頭下面的牙換成一枚硬幣。

Slovenia
In Slovenia, a mouse replaces the baby tooth under the pillow with a candy during the night.
在斯洛文尼亞，一只老鼠把枕頭下面的牙換成糖果。