The ship sustained heavy damage and sank into the sea.

My brother is a member of the Japan Ground Self-Defense Force.

My brother is a member of the Japan Air Self-Defense Force.

My brother is a member of the Japan Maritime Self-Defense Force.

I want to eat sushi.

Please close all the windows before the typhoon comes.

We have physical education classes every Friday.

His body shape is like that of a sports player.

I plan to travel to Taiwan next year.

The study of the continental shelf is an important field in oceanography.