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。
2
A squadron ofF-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》
3
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.