This meteorite contains olivine.

He likes watching soccer games.

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.

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

A kangaroo is a marsupial native to Australia.

Stem cell research is opening up new frontiers in medicine.

Please tell me your impressions of this movie.

This issue is closely related to his research.