He is dedicated to the study of interstitial cells.

The coconut crab is the world's largest terrestrial crustacean.

His olfactory organ is very sensitive.

Corona Borealis is one of the most beautiful constellations in the night sky.

He gripped the control stick and piloted the plane.

He was delighted to find a helmet crab.

That battlefield was truly a hell of agonizing cries.

We have installed a new standing signboard.

He received the crown as a king.

He made the project a success by exerting himself to the utmost.