He is majoring in ethnology at university.

The radiation dose in this area exceeds the safety standards.

He measured the amount of radiation using a radiation dosimeter.

Ejective, or 'houshutsuon' in Japanese, is one of the phonetic features used in certain languages.

This book is a required reading at my school.

His success was an inevitable result.

If the stroke order is incorrect, the characters become difficult to read.

His zodiac sign is Aries.

Which one is that?

I have to pass this exam at all costs.