He is an old acquaintance.

He is always irritated because everything is annoying to him.

He participated in the anti-war movement.

He sighed deeply.

He was holding a small bamboo basket in his hand, collecting vegetables.

The single transferable vote is an important means to ensure the fairness of elections.

Protein-degrading enzymes play a role in breaking down unnecessary proteins in the body.

Bromofluoromethane is a type of chemical substance.

The levator costae brevis is a part of our back muscles.

Mr. Kugatani wakes up at 6 a.m.