机群将被迫在国际空域飞行.The squadron would be forced to keep to international skies.天空中出现了机群.There appeared a group of aeroplanes in the sky.机群在英国南部上空集合.The air force rendezvoused over southern England....

“机群”的英语可以翻译为：a group of planes，(air) fleet，air fleet ...

“机群”的拼音为：jī qún...