例句與造句

1. Each propane car contains 34, 000 gallons of propane gas which is considered an extreme fire and explosive hazard.
2. Each propane car contained 34, 000 gallons ( 128, 700 liters ) of propane gas, which is considered an extreme fire and explosive hazard, the sheriff's department said.
3. It's difficult to find fire and explosive hazard in a sentence. 用fire and explosive hazard造句挺難的