He is an expert in phytopathology, making a significant contribution to agriculture.

Chrysophyta perform photosynthesis underwater, supplying oxygen.

He is an expert in paleobotany.

He is an expert in paleobotany, conducting research on plants from the dinosaur era.

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

Phytobenthos is an important part of the marine ecosystem.

The National People's Congress is the highest legislative body in China.

My grandmother drinks Panax ginseng tea every day.

He participated in the Olympics as a pentathlon athlete.

Pentathlon is a competition that tests both physical strength and technique.