We are friends who share both happiness and sadness.

He is working round the clock.

I use a tram for commuting every day.

He made a lamp in the shape of a hexagonal prism.

Chlorofluoromethane is one of the substances that contribute to the destruction of the ozone layer.

He bought six apples.

We buy products directly from wholesalers.

His name is Xu, and his movements are always slow.

He apologized to her earnestly.

He brought his muddy shoes into the house.