The Fischer projection is a commonly used representation method in organic chemistry.

In organic chemistry, we use the Haworth projection to represent the three-dimensional structure of sugars.

In the organic chemistry class, there was an explanation of the Natta projection.

This book is printed in American points.

I'm so busy with work, I could use all the help I can get.

He was so relaxed that his hands were behind his back.

He is having his hands full with the new project.

He worked as a rear gunner in a fighter plane.

This handover is our new project.

This problem is difficult, and I give up.