unobserved的英语例句
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Lay them on their side and ensure the airway is unobstructed.
让他们侧躺着,并确保呼吸道畅通.
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Pressure and flow pulses may be used to keep the tubes unobstructed.
可用压力和流动脉冲使管子畅通.
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The sun rose presently and sent its unobstructed splendors over the land.
没多大工夫,太阳就出来了,毫无阻碍,把它的光华异彩散布在大地之上.
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