fuel-efficient
01
省油的, 燃油效率高的
designed to use less fuel to do the same work
例子
The new car model is highly fuel-efficient, saving money on gas.
新车型非常省油，节省汽油费用。
They opted for a fuel-efficient furnace to reduce heating costs.
他们选择了一个节能炉子来降低取暖成本。
