Also, dogs who chew on tennis balls can wear down their teeth on the tough outer fuzz.

并且狗在咬球的时候球身上的毛会磨损它的牙齿。

youdao

Also, dogs who chew on tennis balls can wear down their teeth on the tough outer fuzz.

并且狗在咬球的时候球身上的毛会磨损它的牙齿。

youdao