Ai is my best friend.

Gouka is my best friend.

The result of this synthesis provides a new perspective on our research.

In this chemical reaction, condensation occurs.

My name is Aiyoshiya.

Mr. Aino-tani is my best friend.

This mixture is used to alleviate the symptoms of a cold.

The gutter was clogged, and the rainwater overflowed.

He is really a rain man, it rains every time he comes.

She is a rain woman, so it always rains on our date.