As soon as he arrived, he said 'I just got here.'

The Transmission Control Protocol is an important element for ensuring the reliability of data communication.

He lost his virginity yesterday.

He lost his virginity last night.

He roughly carved the wood into shape.

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.

There are a lot of goosefoot growing in this garden.

His blood congealed with fear.

He goes fishing in the sea every day.

In linear algebra, the upper triangular matrix plays a very important role.