Cheers rose from the spectator's seat.

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.

The signboard of that shop is very noticeable.

A kangaroo is a marsupial native to Australia.

Stem cell research is opening up new frontiers in medicine.