When brushing your teeth, brush the back of your tongue, too, or scrape it with a tongue scraper.

刷牙时，还要刷刷舌根，或用刮舌器将舌头刮干净。

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When brushing your teeth, brush the back of your tongue, too, or scrape it with a tongue scraper.

刷牙时，还要刷刷舌根，或用刮舌器将舌头刮干净。

youdao