I unmounted the USB drive.

We made plans for the picnic next week.

It's difficult to solve this hexagonal puzzle.

Mr. Rokkaku is my best friend.

This dataset follows a normal probability distribution.

The levator anguli oris is one of the important muscles that help us form a smile.

He is studying the function of the dilator naris.

He can sense his surroundings using his tactile hairs.

Please throw the leftover food in the triangular sink basket in the kitchen.

The calculation of the spherical angle is a part of geometry.