Aoi is my best friend.

His painting expresses pure beauty.

This biennial plant matures and blooms over the course of two years.

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.

Among polyandrous animals, there are species where one female mates with multiple males.

He said, 'Man shall not live by bread alone,' teaching me that spiritual satisfaction is also important.