His teeth have strong dentin, making them less prone to cavities.

Toothed whales are a type of marine animal, and as the name suggests, they have teeth.

He is listening to music using Bluetooth.

When he eats an apple, he uses his incisors to bite it off.

He is conducting research on the radula of mollusks.

Shimamura is my best friend.

We went to that island during the summer vacation.

Africa is the hottest continent on Earth.

His shirt has blue and white stripes.

I went fishing for trevally.