My new computer can connect to wireless internet.

I mailed a letter at the post office.

There is a small radio station in my town.

This compound contains unsaturated fatty acids.

The 'su' in Japanese is a voiceless sound.

He choked while trying to swallow his food.

He crossed the border illegally.

His actions were clearly illegal.

I was very surprised to hear his obituary.

This compound is an unsaturated hydrocarbon.