Nucleotides are the main components of DNA and RNA.

Mr. Yanukovych is a politician from Ukraine.

Nuku'alofa is the capital of Tonga.

She was pleased to receive a gift.

I sincerely congratulate you on the success of your new job.

We should always remember the power of Kannon in difficult times.

In arid regions, there is little rain, making it difficult for plants to grow.

This ancient proverb, 'know the other side and yourself, and you will not be in danger in a hundred battles', teaches us the importance of understanding ourselves and others.