音标: 英 [pɒlɪ'fi:nɒl] 美 [pɒlɪ'fi:nɒl]
1. Green tea contains fluoride and polyphenols, which are antibacterial and antiinflammatory.
绿茶中含有氟化物及茶多酚 可以杀菌消炎
2. Fluoride helps strengthen teeth, while polyphenols fight infection and keep the bacteria responsible for bad breath at bay.
氟化物能强健牙齿 茶多酚则能消除炎症 并防止引发口臭的细菌再生