He daringly accepted the challenge.

The police are conducting an investigation at the scene.

The landlady showed us to our room.

Caseous necrosis was found in his lungs.

In organic chemistry, cyclodecane is a cyclic saturated hydrocarbon consisting of ten carbon atoms.

In organic chemistry, a cycloalkane is a compound with a structure in which carbon atoms are linked in a ring.

He was born as an illegitimate child and experienced many difficulties.

My grandfather used to till his privately-owned rice field.

Using the private railway makes commuting very convenient.

We are going on a trip tomorrow.