Their love is truly a mutual love.

We installed a new flowmeter in the factory.

Our company is thinking of a new strategy to increase circulating capital.

This area is rich in subterranean rivers, which serve as a source of groundwater.

The airflow in this room is very good.

Superfluidity is a part of physics, referring to the phenomenon where certain liquids flow without friction.

He became a one-eyed person due to an accident.

He is collecting stamps.

This epidemic is spreading all over the world.

He is scheduled to have surgery for an aneurysm.