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China has carried out its first test flight of a prototype stealth fighter jet.
中国隐形战斗机原型机进行了首次试飞。
youdao
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The F135 is the most powerful engine ever flown in a jet fighter.
F135发动机是飞行战斗机有史以来最强大的发动机。
youdao
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The F135 is the most powerful engine ever flown in a jet fighter.
F135发动机是飞行战斗机有史以来最强大的发动机。
youdao