4周搞定2000+托福核心词
effectiveness = ef(出来) + fect(做) + ive(...的) + ness(名词) = 有效
effective = ef(出来) + fect(做) + ive(...的) = 做出来的→生效的
classfication = class(分类) + fic(制造) + ation(表名词) = 把……进行分类→分类,分级
fiction = fic(制造) + tion(表名词) = 制造出的故事→小说
能做出事来→效率
efficiency
常考释义
And this efficiency of the birch bark canoe also made an impression on newcomers to the area.
这样高效的桦树皮木舟同样给这个区域新来的人以深刻的影响。
来源于：听力OFFICIAL7 L3n. 能力；效力；效率；功率
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。
We must concentrate our attention on efficiency.
我们必须把注意力集中在效率上。
Note the overwhelming force and ruthless efficiency of the attack.
兵力压制和速战速决是杀敌的不二法门。
来自《殊途同归 第1季第2集》
图片源自网络
And this efficiency of the birch bark canoe also made an impression on newcomers to the area.
这样高效的桦树皮木舟同样给这个区域新来的人以深刻的影响。
来源于：听力OFFICIAL7 L5It takes twice as much effort to breathe during sleep because of greater resistance to airflow in the airways and changes in the efficiency of the muscles used for breathing.
睡眠时需要付出两倍的努力去呼吸，因为呼吸道气流的阻力会比较强并且用来呼吸的肌肉的效率会有变化。
来源于：阅读OFFICIAL24 P2When you have a group of ants, however, there you have efficiency in action.
然而，当你有一群蚂蚁，你的行动就会变得有效率。
来源于：听力OFFICIAL46 L2It still seems a lot to recall, but what was lost in efficiency was more than made up for in the beauty and richness of the texts.
似乎还有很多文字需要找回，但是在效率上的损失却被文字的美感以及丰富性所填补。
来源于：阅读OFFICIAL39 P1n. 换能效率
n. 去除效率
n. 提升…的效率
n. 提高效率
n. 经济效率，经济效果；经济有效
n. 经营效率；运作效率
improve efficiency
提高效率
economical efficiency
经济效率，经济效果；经济有效
operational efficiency
经营效率；运作效率
removal efficiency
去除效率
conversion efficiency
换能效率
boost the efficiency of
提升…的效率
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