奥布里：彼得·米格罗姆是华盛顿大学的一名研究人员兼牙医。
Aubrey: Peter Milgrom is a researcher and dentist at the University of Washington.
米格罗姆：你每天至少要嚼三次口香糖，每次嚼两片才能达到效果。
Milgrom: You have to chew at least two pieces, three times a day to have any effect.
彼得·米格罗姆：木糖醇是一种抗菌剂，所以它本身就抗菌，有助预防蛀牙。
Peter Milgrom: Xylitol is an antimicrobial, so it's acting against the bacteria themselves, so it helps prevent tooth decay.
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