He is doing special exercises to strengthen his adductor brevis.

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

He wrote a sentence using a pronoun.

Toko is a strong character.

His performance is generally good.

We are aiming to kill two birds with one stone with this plan.

His words held a double surprise, like 'isseki-rokuto'.

This mineral is called ulexite and has special optical properties.

This stone is a mineral called clinozoisite.

This beautiful stone is a mineral called clinozoisite.