The organs of Rosenmüller are located in the female reproductive system.

The orders of the day for the meeting are to discuss the budget and finalize the project timeline.

I tripped and fell down the pairs of stairs.

I bought three pairs of underwear yesterday.

She bought a new pair of spectacles.

I bought two pairs of specs yesterday.

I bought two pairs of eyeglasses.

She wears a stylish pair of glasses.

The partitions of unity ensure that the sum of the functions is equal to 1.

There were multiple passages of arms during the war.