He came in first place in the race.

The foreword of his new book was very moving.

After the nuclear accident in Fukushima, decontamination work is being carried out.

They are working hard to decontaminate the radioactive contaminated area.

He learned and understood the parallel markers in Japanese.

He was removed from the family register.

He was removed from the family register.

If the divisor is zero, it is mathematically undefined.

This room has high humidity, so we need to use a dehumidifier.

The humidity in this room is high, so let's dehumidify it using a dehumidifier.