Efficiency
[ ɪ'fɪʃənsi ]
第3级
其它 Other
n. 效率，效能;实力，能力;[物]性能;功效;
💡 词根助记
ef出+fic做+iency表名词 →做出事情→ 有效率
📝 例句
The two companies consolidated for greater efficiency.
这两家公司已合并以提高效率.
These machines have increased our work efficiency many times.
这些机器使我们的工作效率提高了许多倍。
A diploma is no guarantee of efficiency.
持有文凭不能保证工作效率一定高。
He was typing with speed and efficiency.
他在飞快地打字，工作效率很高。
A multistage operation improves the thermal efficiency.
多层操作可以提高热效率。
🌱 联想助记
【记】※effect-效果,efficiency-效率:效果取决于效率
※谐音“飞身西”:孙悟空飞身就到西天,效率很高
※ef-前缀“出”,fic-词根“做”,iency-名缀:效率,效能
✅ 同义词
🔴 反义词
🔤 词根
-fac-表示“制作”
常见变体有-fic-、-fig-、-fect-、-feat-
📖 牛津释义
efficiency
n[U]
state or quality of being efficient 能力; 效力; 效能.
🎯 考研助记
efficient(a.有效率的)-efficiency(n.效率)
🔁 扩展释义
*[i'fiʃәnsi]n. 效率, 效能, 功效【医】 效率, 效力【经】 效率, 效能
🌿 同词根单词
📖 同为「CET-4」词汇
查看全部CET-4词汇 ›🗣️ 情景例句
Well, just a little please.
好吧，就来一些吧。
No, more, about 130 years ago. Most of the slave owners were rich farmers who lived in the south. They wanted to keep their slaves.
不，还要早，大约130年前。大多数奴隶主都是住在南方的富有的农场主。他们想保留自己的奴隶。
On our way home that night I looked down and saw that the necklace was not around my neck any more. I told Pierre. We rushed back to the palace and looked for it.We asked everyone there if they had found a necklace, but without luck. We couldn't find it;
那天晚上在回家的路上，我低头一看，发现项链不再挂在我的脖子上了。我告诉了比尔。我们马上赶回王宫去寻找。我们询问了那儿的每一个人，问他们是不是拾到了一条项链。可是，真倒霉。我们找不到那条项链；它丢失了。