学习资料

[意       思]adj. 节约的，经济的
[例]  He is economical of his time. 他节省时间。

更多意思

adj.1.  经济的，实惠的
2.  节俭的，节约的，简洁的
3.  精打细算的，省钱的

参考例句

1.	Coke is an economical fuel but it leaves a lot of ash.
	焦炭是一种很经济的燃料,可是燃烧后剩下很多灰。
2.	She is economical with/in her use of salt when cooking.
	她烹饪时用盐很省。
3.	A monthly is more economical than 4 weeklies.
	一张月票比四张周票上算。
4.	When we had done the costings on the project, it was clear it would not be economical to go ahead with it.
	我们计算了成本,清楚表明这项工程不合算。
5.	The engine is fairly economical of fuel.
	这部发动机相当节省燃料。