He holds a personal grudge against me.

Using the private railway makes commuting very convenient.

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.

I'm sorry, but I don't speak Japanese.

I'm a Muslim, so I fast during Ramadan.