efficiency的形容词是啥词

efficiency的形容词是efficient 效率高的、有能力的；

efficiencyn.效率; 效能; 功效; 提高功效的方法; 功率

As we get older, our bodies become less efficient at burning up calories.

随着一天天衰老，我们的身体消耗热量的功能逐渐减弱。

We must make the most efficient use of the available financial resources.

我们必须最有效地利用现有财力。

I\'ll say this for them, they\'re a very efficient company.

我要为他们说句公道话，他们公司的效率的确很高。

Computers are very efficient at manipulating information.

计算机在处理信息方面效率极高。