I conducted a research project as a summer vacation homework.

If the movement of the eyeball muscles becomes impaired, your vision becomes blurry.

My younger sister attends the Sunflower Class.

He had a narrow escape in that accident.

We are looking for a new supplier.

I need a heat-killing bee ball in my garden.

The emergency takeoff training has begun.

He conducted an experiment using a spherical lens.

The calculation of the spherical angle is a part of geometry.

He is suffering from poverty.