The Tokyo metropolitan region is the center of Japan's economy.

Among polyandrous animals, there are species where one female mates with multiple males.

He is doing special exercises to strengthen his abductor pollicis brevis.

He is doing special exercises to strengthen his abductor pollicis longus.

Three days ago, I went to Tokyo.

He is not an ordinary human.

He planed the wood and made a model airplane.

He couldn't hide his jealousy towards her success.

He picked up the whip and started practicing.

He alienated his friends with his behavior.