He is involved in the research of particle accelerators.

Seismologists use seismographs to accurately measure the magnitude of earthquakes.

He honked the car horn to get my attention.

He exposed his own foolishness on Twitter.

He is connected to a ventilator due to his severe condition.

He turned thirty years old.

This picture is fixed to the frame.

This plant needs oxygen to perform photosynthesis.

In this story, Zuan is the protagonist, and his adventure continues.

The sourness of this lemon is very strong.