This vaccine contains the antigen of the new coronavirus.

The only source of light in this room is natural light from the window.

He made an oath, swearing never to repeat that mistake again.

He declared his candidacy publicly.

Collagen is an important component for keeping our skin and bones strong.

The 'Gendaga' is a unique caterpillar found in the Tsugaru region.

He told me to go easy on him.

He is always going easy on his work.

I like cooking beans.

This problem has opened a new dimension.