Prefix notation is a notation where the operator comes before the operands.

We will use boric acid in this experiment.

He measured the wavelength of light using interferometry.

This law is a sieve law, full of loopholes.

He really looked like a wizard.

The Yi were an ancient tribe in eastern China.

He said 'friend' as a noun ending for me.

The continental slope is a part of the seafloor topography, connecting the continental shelf and the deep sea floor.

He set the bird free.

I wonder where my medical thermometer is?