I like listening to Beethoven's Ninth.

This is my second attempt.

The Tertiary period was a very important time in the history of the Earth.

He passed the medical school entrance exam on his first try.

He passed the difficult exam.

Natural language understanding is an important field of artificial intelligence.

The crescent moon is floating in the sky, it's very beautiful.

It is thirty-three kilometers to my house.

He continues to practice in search of complete enlightenment.

In our company, we always adhere to the principle of safety first.