My name is Yasokawa.

Yesterday, I checked the location of the Edogawa on an old map.

The Shatt al-Arab is located between Iraq and Iran.

He was my student, but now he has become so proficient that it can be said 'the student has surpassed his teacher.'

This factory strictly controls the emission of hydrogen sulphide.

The troposphere is the lowest part of the Earth's atmosphere, and most of the weather occurs here.

Carina is one of the constellations in the southern hemisphere.

Since he started his new job, he's been lively as if he were a fish back in water.

He absorbs new information like a sponge soaking up water.

The European water vole is a small mammal native to Europe.