The air in this room is very fresh.

Please do not use that word, as it is a taboo word.

We are an extended family, and more than 10 of us live together.

He devised a new method to solve the problem.

He is putting a special effort into his cooking.

How many liters of water can this tank hold?

This identification of the severed head is to confirm whether he is really the culprit or not.

This metal is very durable.

In Japanese folklore, there are many festivals and traditions.

The supplement of this book contains detailed explanations.