I purchased a new car.

Astronautics is a field of study related to the exploration of space and the design of spacecraft.

He is majoring in astronautics.

He is majoring in aerospace engineering.

He jumped as if he was dancing in mid-air.

I always eat lunch in the park during the daytime.

I found an insect in the park.

He cast copper to make a bell.

It's difficult to understand what's in his heart.

He is said to have a long philtrum.