士多啤梨cake
washingandbrushing。例句：Youshouldbrushyourteeththreetimesaday.一天要刷三次牙。Brushyourteethproperly.好好地刷牙。Brushupanddown.刷牙要上下刷。Don‘tforgettobrushdeepinside.不要忘记也要刷里面哦。Cleanyourteethandgumsthoroughly.牙和牙床都要彻底刷干净。Don‘tforgettobrushyourtongue.不要忘记刷舌头。Gargleandspit.漱口，然后吐掉。Putonlyalittletoothpasteonyourtoothbrush.牙刷上要沾点牙膏。
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