老虎的犬齿非常锋利，适合撕咬猎物。

The tiger's ___canines are extremely sharp, perfect for tearing prey.

兽医诊所今天接收了几只因误食巧克力而生病的犬类动物。

The vet clinic treated several ___canines today who got sick from eating chocolate.

他的犬齿看起来很锋利，就像狗的牙齿一样。

His ___canine teeth look sharp, just like a dog's.