It is believed that this mound was an ancient cemetery.

He enjoys playing games with his friends every weekend.

He has experienced the yakuza finger-cutting ritual.

He uses his fingers to play the piano.

He grew up in a snowy region.

I use lavender essential oil for relaxation.

Eurasia is the largest continent on Earth, home to many countries and cultures.

This machine requires mineral oil.

The price of crude oil is rising.

We need to calculate the eigenvalue of this matrix.