ef
US://
UK://
n.:
射血分数；水肿因子；欧洲经济共同体
网络:
射血分数(ejection fraction)；英孚(English First)；悠久之翼(eternal feather)
Examples
1.
I am going to start my new life as an MBA student soon and thanks to EF for providing me with such a great studying experience.
我将要成为一名MBA的学生，感谢EF英孚海外游学提供给我如此难忘的一段游学经历。
2.
More to the point, if there were such a method, I can assure you that it would already be part of EF's classes.
更重要的一点是，如果真有这样一个方法的话，我保证它应该已经成为英孚课程的一部分了。
3.
Diverse Exciting travel locations, up-to-date entertainment news, and detailed science features. . . EF magazine has it all!
令人心驰神往的旅游胜地，最新娱乐时尚快递，最新科学发现报道，尽在英孚第一杂志！
4.
The United States now uses the EF (Enhanced Fujita) scale, which takes more variables into account when assigning wind speeds to a tornado.
美国现在使用EF（EnhancedFujita）级别，在为龙卷风确定风速时，纳入了更多的变数。
5.
If an EF lens is not autofocusing correctly with a calibrated camera, the circuitry of the lens itself can be adjusted.
如果EF镜头不能在校准过的相机上正确的对焦，那么就要调整镜头上的电路。
6.
EF Talk Scriber combines a text editor and an audio file player, designed to work like a dictation transcribing machine.
英谈划线结合了文本编辑器和音频文件播放器，设计工作，像一个听写转录机。
7.
But if that state information is unavailable, the EF has nothing to do when it's time to call SaveChanges.
但是如果那些状态信息不可用，那么当调用SaveChanges命令时EF就会无所事事。
8.
Therefore the diagnosis and treatment of cardiac and cerebral diseases from Qi and blood with many methods will be very ef. . .
因此运用多种治法从气血论治心脑病颇有效验。
9.
However, English becomes part of your everyday life at EF , students learn English through real communication.
而在EF，英语真正成为你生活的一部分，学生们可以通过与外教老师的交流来学习英语。
10.
The outpouring of support through donations, vigils , and individual initiatives, from around the EF world, has been very moving.
全世界的EF都在通过捐款、祈祷等方式给予灾区人们支持，种种行为让人感动。