His research mainly focuses on the plantigradism of mammals.

His actions were considered part of propaganda by action.

He is doing special exercises to strengthen his adductor brevis.

He is doing a special exercise to strengthen his abductor digiti minimi.

In Japanese grammar, verbs with k-row irregular conjugation are characteristic.

Verbs of the sa-line irregular conjugation are a special existence in Japanese.

Verbs of the 'ra-row irregular conjugation' are a special existence in Japanese.

Before starting his new business, he said, 'A journey of a thousand miles begins with a single step.'

This number is called Fuka-soku Fuka-soku-ten, and it's almost impossible to comprehend its magnitude.

She started a special exercise to strengthen her adductor pollicis.