He is doing research on prime numbers.

In the night park, bats were flying around.

He is an expert in tea evaluation, and his skills are recognized by everyone.

I think the evaluation of this movie is very high.

I harshly evaluated that movie.

This finished product is something our team worked hard to create.

It seems that my body is lacking in iodine.

We will use arsenic in this chemical experiment.

Really? You found a new job?

I thought his proposal was worthless.