例句 /

The idea of using a liquid with a lower boiling point than water to drive a turbine is nothing new—it has simply not proved worthwhile in the past.

The idea of using a liquid with a lower boiling point than water to drive a turbine is nothing new—it has simply not proved worthwhile in the past.

以低沸点液体作为动力的方法同用水驱动涡轮机相比并没有什么新颖之处——只是在过去认为这种方法不经济罢了。