Essential amino acids, which the human body cannot produce on its own, need to be obtained from the diet.

Hydrocyanic acid is a very dangerous chemical.

As soon as he arrived, he said 'I just got here.'

Please calculate the area of this right triangle.

This ring is made of alexandrite.

Her misandry makes her relationship with men difficult.

I was born and raised in San Pedro.

It is said that he possesses the three sacred treasures.

She is truly a fierce and strong mother, she would do anything to protect her children.

He is composing a poem.