一杯清水因滴入一滴污水而变污浊，一杯污水却不会因一滴清水的存在而变清澈。
A glass of water because of drop of water becomes polluted, but not by the presence of a cup of water in a drop of water becomes clear.
目的评估异丙酚靶控输注联合利多卡因滴入和雾化吸入在保留自主呼吸下气管插管中的应用价值。
ObjectiveTo evaluate the value of propofol target-controlled infusion combined with dribbled and nebulized lidocaine in tracheal intubation under spontaneous breathing.
原因在于，就如随着你观察的角度改变，变换羽毛的颜色会发生改变一样，微滴的颜色也因旋转发生改变。
For, just as the colour of an iridescent feather changes with the Angle you look at it, so the colour of a droplet can be changed by rotating it.
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