He came home wearing muddy clothes.

He came home covered with mud.

In the field of organic chemistry, dotriacontane is a saturated hydrocarbon consisting of 32 carbon atoms.

I like to enjoy board games with my friends on weekends.

A buffer stop is installed at the end of the station.

This sentence is written in bold typeface.

I will make mapo doufu tonight.

Dry ice sublimates directly from a solid to a gas at -78.5℃.

Saturday is my day off.

We will use cadmium in this chemical experiment.