She was told by the doctor that it is difficult to get pregnant due to a problem with her fallopian tubes.

He was diagnosed with chancre by the doctor.

The old man takes a walk in the park every day.

Recently, I've been hooked on Korean dramas.

I wore a hanbok and experienced Korean culture.

I bought cabbage at the supermarket.

This rain, like merciful rain in a drought, really helped the farmers.

This region had been suffering from a long drought, but finally, the merciful rain in a drought fell.

I learned the theory of commutative rings at university.

He is an expert in ring theory and has written many papers in the field.