When a leap second is added, the world's clock shifts by one second.

This value must be non-negative.

I go to school via the prefectural road.

She is emotionally unstable, getting angry or crying easily.

Fibrinogen plays an important role in blood clotting.

I want to go to Iturup.

He swung the falcata around.

He flattered his boss and got a promotion.

This is a fake diamond.

The sea roach is a marine creature known for eating the wood of ships.