例句與造句

1. The city's fire cisterns were nearly empty and its firefighting force exhausted when disaster struck.
2. The city of San Francisco, notably, maintains fire cisterns under its streets in case the primary water supply is disrupted.
3. The city's residents as well as its firefighters relied on neighborhood wells, forty fire cisterns and a reservoir located at 13th Street and the Bowery.
4. It's difficult to find fire cistern in a sentence. 用fire cistern造句挺難的