The Russian biologist G. F. Gause performed numerous tow-species experiments in the laboratory, in which one of the species became extinct when only a single kind of resource was available.

俄罗斯生物学家 G. F. Gause 在试验室进行了大量的两个物种的实验，试验中，当只有单一的资源时，其中一个物种将会灭绝。

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A squadron of F-15 fighters is on its way home.

一个F-15战斗机中队正在返程途中。

《柯林斯英汉双解大词典》

The consequences of getting caught are serious and may include a "0" on a test or assignment, an "F" in the class, suspension or dismissal from school and a ruined reputation.

被抓的后果是严重的，可能包括考试或作业得“0”分，课堂表现得“F”，停学或开除学籍，名誉受损。

youdao

But the F.A.O. representative in Liberia warned about spraying pesticides from airplanes because of the risk of additional water pollution.

VOA: special.2009.01.27

f truth is the recognition of the systematic character of a certain kind of error, then it would be fully dependent on the prior existence of this error.

如果真理是,对一种错误的系统化字符的认可，那么它会完全依赖于这个错误的先前存在。

耶鲁公开课 - 文学理论导论课程节选

The power of linearity is F=k1+k2 if I come across f of x, y, z equals k1 plus k2, if it is a linear equation, I don't have to go and solve it all over again.

线性的威力是,一个方程，如果它是个线性方程，那么我就不用再去解他了。

麻省理工公开课 - 固态化学导论课程节选

Credit worthiness will be rated on a scale of A to F.

NPR: Credit-Reporting Agencies Create New Scoring Format

Yahoo CEO Carol Bartz left the company while firing off a volley of f-words.

FORBES: How Not to Get a Job at Yahoo

Consider leasing a squadron of F-16 fighter aircraft along with T-38 supersonic trainers.

CENTERFORSECURITYPOLICY: Enter the dragon