He found out the truth and was surprised.

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.

I think this project needs further improvement or addition.

This project includes not only basic functions but also additional elements.

Alpha particles are a type of particle emitted from atomic nuclei.

An alpha particle is the same as the nucleus of a helium atom.

In this experiment, we will observe the behavior of α particles.

My teammate is very helpful.

We understand that teamplay is necessary for us to succeed.

My rabbit really likes alfalfa.