Understanding chemical equilibrium is very important in understanding chemical reactions.

He is highly respected in the education world.

Ikumasa is my best friend.

Mr. Fujiike is my best friend.

He expressed his different opinion at the meeting.

Mr. Yukata is my best friend.

I use this regular service every week.

There are many natural parks in this wide area.

Due to the low-pressure, it will probably rain today.

A low pressure system is approaching, and there is a possibility that the weather will get worse.