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

His room exudes a calm atmosphere with indirect lighting.

We have maintained a good relationship for a long time.

After a cold front passes, the temperature drops sharply.

He works on an aircraft carrier.

A kangaroo is a marsupial native to Australia.

My mother goes to the hospital every day to nurse my grandmother.

The signboard of that shop is very noticeable.

Stem cell research is opening up new frontiers in medicine.

Please tell me your impressions of this movie.