This is a once-in-a-lifetime opportunity.

Carbon monoxide is a colorless, odorless gas, and it is dangerous to inhale.

He is having his hands full with the new project.

Please tell me that story once again.

He has never seen a dromedary.

You can manage data using a one-dimensional array.

Their teamwork was in complete harmony, and it was beautiful.

I learned the meaning of 'ichi ni ten' in the classical Japanese class.

He and his brother look so alike, they seem like the very same person.

The mythology of Tenmoku Ikka is very interesting.