Nuclear tests pose a great threat to world peace.

This product is a parallel import.

It's difficult to get a strike in bowling.

I learned how to calculate the harmonic mean in math class.

I bought a drink from the vending machine.

We play basketball in the gym every Friday.

This problem should be considered on a case-by-case basis.

I enjoy long-distance cycling as a recreation on weekends.

He swung the whip around.

She was whipping the cream.