My dream is to go to France someday.

In chemistry class, I learned about alkanes.

Alkynes play a very important role in organic chemistry.

Alkenes, also known as olefin hydrocarbons, play an important role in organic chemistry.

Alkenes play a very important role in organic chemistry.

He beat me with a thud.

You can solve the problem by using this method.

He stared at the corpse, trembling with fear.

I was able to find the Big Dipper.

This experience is something I should carve into my bones and engrave in my liver.