She said she likes the cowgirl position the most.

The Paleolithic is the first era of human history.

In this research, quantitative data analysis plays an important role.

This library is said to have historical value.

Today's precipitation is very high.

This year's import volume increased compared to last year.

Please check the quantity of this product.

The atomic weight of helium is 4.

The radiation dose in this area exceeds the safety standards.

The engine displacement of this car is 2000cc.