中国已经在军用飞机领域迅速取得进展，以俄罗斯图-104为模型制造的H-6大型双引擎轰炸机，可以很轻松地就改装成商用飞机。
China has already made rapid advances in military jet aircraft and its H-6 large twin-engine bomber, modelled on the Russian Tu-104, can be converted quite easily into a commercial aircraft.
黑俄罗斯梗的动作是自由的，有流畅的、轻松的、轻快的动作。
A Black Russian Terrier should move freely with a smooth easy springy motion.
黑俄罗斯梗的动作是自由的，有流畅的、轻松的、轻快的动作。
A Black Russian Terrier should move freely with a smooth easy springy motion.
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