文档介绍：英语口语学****美白牙齿小妙方
1. Baking soda brush. 小苏打。
Sprinkle a dash of baking soda on a wet toothbrush. Do this about one ors your teeth. The naturally occurring alpha hydroxy aCids will help to gently whiten and brighten and leave you looking good.
把一个草莓切成两半，用一半边擦边按摩你的牙齿。自然的α-羟基酸的产生会帮忙牙齿亮白，让你更神采奕奕。
4. Floss is boss. 牙线是王道。
I can”t believe I have to say this but it”s so important to floss every single day. Flossing reduces the plaque that hides in between your teeth and it also has a body benefit. It helps to reduce plaque in your arteries which leaves your body and your heart healthier.
我真不敢信任我会说这个，但是用牙线清洁牙齿在每一天都是如此重要。牙线可以削减牙齿见隐蔽着的菌斑，而且还对身体有好处。它能削减动脉中的菌斑，从而使身体更加安康。
5. An apple a day, an apple a day keeps the dentist away. Apples are like nature”s very own toothbrush. They work like an astringent for your teeth and the pectin serves to polish and perfect.
一天一颗苹果，远离牙科诊所。苹果就像自然牙刷，它能为你的牙齿止血，所含的果胶还可以为你的牙齿抛光，使它更加完善。
6. Water and lots of it. Water, water, water, you”ve got to drink a lot of water. That way you keep things moving and grooving in your mouth and then bacteria can”t camp out in the crevices of your teeth.
很多水。水，水，水！你要喝大量的水。喝水可以在口腔中形成流淌，这样细菌就不能在你的牙缝间安营扎寨了。
7. The seven deadly smile sins, just say no to the seven deadly smile sins. Are you ready? Take notes, sugar, juices, ca