Atsushi is my classmate in junior high school.

Thermochemistry is a branch of chemistry that studies the interaction of heat and matter.

Due to the impact of African swine fever, the price of pork is rising.

West Nile fever is an infectious disease transmitted by mosquitoes.

We flew in the sky in a hot-air balloon.

I used binoculars to observe birds in the mountains.

French Guiana is located in South America.

His absolute territory is only his room.

Today's precipitation was 50 millimeters.

He wants to become the president of the United States.