J-12 fighter is the first jet fighter designed and produced all by Chinese technology itself.
歼-12轻型战斗机是我国第一种完全依*本国技术力量进行设计和制造的喷气战斗机。
第一架喷气式飞机是什么？
This work must have been done at the first jet, for it has a certain spontaneity.
这幅作品带有某种自发性，它一定是出于一时冲动而完成的。
Now we are ready to create the first JET.
现在我们已经准备好创建第一个JET了。
Now we are ready to create the first JET.
现在我们已经准备好创建第一个JET了。
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