The ichthyosaur is an ancient marine reptile, and its name means 'dragon like a fish'.

He was picking up trash in the park every day without telling anyone, in order to accumulate good deeds done in secret.

He tried to conceal the important information.

All his actions are full of spontaneity.

He found a way to solve that specific problem.

He gathered the necessary information to specify the problem.

He has perfectly mastered the Received Pronunciation of English.

I am planning to go to Tokushima next week.

Draco is one of the constellations in the northern hemisphere.

He sensed her sexual arousal.