The students on a field trip visited the museum.

The ecosystem of zoobenthos is an important field of study in marine biology.

The study of benthos is an important field in marine biology.

Phytobenthos is an important part of the marine ecosystem.

Please remove the core of this apple.

This ring is made of alexandrite.

He comes from a lineage of hereditary feudal lords.

A mourning cloak is flying around the garden.

Due to the outbreak of a forest fire, the nearby village was forced to evacuate.

I can communicate with her telepathically.