Hepatitis D is a viral disease that is transmitted through blood.

I repaired the broken vase using instant glue.

My friend goes to a Korean school.

He has already finished writing the report, so we use the present perfect form.

We need to solve the problem in the production environment.

We play golf at the country club on weekends.

I am learning Simplified Chinese.

My friend works at a commercial broadcasting television station.

I used cyclononadecane in an organic chemistry experiment.

This compound has cyclohexadecane as its main component.