Question

efficiency n.效率，效能;实力，能力;[物]性能;功效; pl:efficiencies~

Accepted Answer

英[ɪˈfɪʃnsi]  美[ɪˈfɪʃənsi] N-UNCOUNT效率;效能;功效Efficiency is the quality of being able to do a task successfully, without wasting time or energy.例：There are many ways to increase agricultural efficiency in the poorer areas of the world.有很多方法能够提高世界贫困地区的农业效率。例：...energy efficiency.能效N-UNCOUNT（物理学、工程学中的）效率，功率In physics and engineering, efficiency is the ratio between the amount of energy a machine needs to make it work, and the amount it produces.

单词	efficiency
音标	英[ɪˈfɪʃnsi] 美[ɪˈfɪʃənsi]
解释	n.效率，效能;实力，能力;[物]性能;功效;
例句	N-UNCOUNT 效率;效能;功效 Efficiency is the quality of being able to do a task successfully, without wasting time or energy. 例：There are many ways to increase agricultural efficiency in the poorer areas of the world.有很多方法能够提高世界贫困地区的农业效率。例：...energy efficiency.能效 N-UNCOUNT （物理学、工程学中的）效率，功率 In physics and engineering, efficiency is the ratio between the amount of energy a machine needs to make it work, and the amount it produces.
变形	pl:efficiencies~

Efficiency N Uncount Amount 英[ɪˈfɪʃnsi 美[ɪˈfɪʃənsi N.效率，效能;实力，能力;[物]性能;功效 效率;效能;功效 Quality

Efficiency N Uncount Amount 英[ɪˈfɪʃnsi 美[ɪˈfɪʃənsi N.效率，效能;实力，能力;[物]性能;功效效率;效能;功效 Quality