I decided to take a painkiller because I have a severe headache.

I always use fabric softener when I do laundry.

I sprayed insecticide in the garden.

Vitamin B12 is an important nutrient for maintaining the health of the nervous system.

Vitamin B1 plays an important role in energy production.

Vitamin D3 is an important nutrient for bone health.

Hypervitaminosis occurs when the intake of vitamins is too high.

The crescent moon is floating in the sky, it's very beautiful.

He likes to take a walk in the park at dusk.

It is thirty-three kilometers to my house.