The Pentagon is killing the alternate engine program for the F-35 Joint Strike Fighter (JSF) in the fiscal 2010 Defense Department budget request.是什么意思_The Pentagon is killing the alternate engine program for the F-35 Joint Strike Fighter (JSF) in the fiscal 2010 Defense Department budget request.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句