山姆我也是。但你有使用牙线吗？我的牙医说那也很重要。

Sam: Me too. But do you floss? My dentist says that's very important too!

youdao

山姆我也是。但你有使用牙线吗？我的牙医说那也很重要。

Sam: Me too. But do you floss? My dentist says that's very important too!

youdao