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

I will take the afternoon off today.

I decided to take the morning off tomorrow.

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.