去那儿呼吸独特的清爽空气，享受那里原始时代的纯静湖泊。
Go there for unique and salubrious air, to enjoy the primeval purity of tarns.
它可以叫做俄罗斯的“肺”。去那儿呼吸独特的清爽空气，享受那里原始时代的纯静湖泊。
It is may be called "the lungs" of Russia. Go there for unique and salubrious air, to enjoy the primeval purity of tarns.
那时候原始呼吸机挽救了他的生命。
对原始壳聚糖载体进行改性，提高其转染效率和对于呼吸道细胞的靶向性。
The original chitosan carrier is modified to improve the transfection efficiency and the targeted property to respiratory cells.
对原始壳聚糖载体进行改性，提高其转染效率和对于呼吸道细胞的靶向性。
The original chitosan carrier is modified to improve the transfection efficiency and the targeted property to respiratory cells.
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