He gave the answer instantly.

His heart is vague and dark.

We are in a long-distance relationship, and it has become a daily routine to talk via video call.

Have you ever told her 'I love you' directly?

The phrase 'the good and bad deed cancel out' perfectly describes his past actions.

He was out of breath after running a long distance.

He touched her hand.

The transmission of this car is very smooth.

In this chemical experiment, we will examine the properties of benzoic acid.

His irregular lifestyle is having a negative impact on his health.