I have been to Nanjing.

He was put under house arrest because he committed a crime.

The Andean condor is one of the largest flying birds in the world.

My son has become a doctor.

I live in Shunan city.

How old are you?

A velar sound is a sound that is pronounced at the back of the mouth.

This kanji is difficult to read, it's hard to read.

She is good at understanding baby talk.

He deeply pondered and muttered to himself in a murmur.