This program operates in milliseconds.

This process is carried out in microseconds.

His character has the power to seckill enemies.

He seckilled the enemy in the game.

He thought for a few seconds before giving an answer.

This light bulb consumes one watt-second of energy per second.

The International System of Units is the standard measurement system used by scientists all over the world.

The International System of Units is a standard of measurement widely used around the world.