Iodine is an important nutrient for the human body.

A toneme is a part of linguistics, and it has the ability to change the meaning by changing the pitch or strength of a specific sound.

He struggled to understand the meaning of that lexeme.

He caught the ball with a swift movement.

Old scientists discovered that calcium was important for bone health.

I learned about casein in biochemistry class.

This plant is strongly affected by auxin.

The string of this bow is made of horsehair.

I was disappointed by his cold attitude.

We will use chlorine in this chemical experiment.