He loves mountains and goes climbing every year.

My major is chemical engineering.

Let's cherish every encounter with the spirit of 'once in a lifetime'.

Life is a series of ups and downs.

He does his work perfectly, dotting the i's and crossing the t's.

I conducted an interview in a question-and-answer format.

Heavy hydrogen is one of the isotopes of hydrogen.

She is interested in numerology.

I can fall asleep immediately after taking a sleeping pill.

The number subtracted from the minuend is called the subtrahend.