passive transport 溶质跨膜传递的方式之一。 溶质通过扩散作用经过生物膜的过程。在该过程中，溶质顺浓度梯度由较浓一侧向较稀一侧运送。这种过程不需要消耗能量。 被动传递可以是简单的扩散，也可以是促进运送(fa-cilitated transport)。
应主动传递信息给读者，改变图书馆被动服务的状态。
And we should actively transmit messages to readers. Change the state of passive service in library.
机械手具有结构轻巧、运动传递精确、手爪可更换和被动柔顺功能等特点。
The manipulator has the features such as light and handy structure, precise motion transmission, changeable claw and the function fo passive compliance.
如果你只是被动地想避开你的情绪，那么，你将错过它们所传递的无价的信息。
If you merely react to your emotions through an avoidance pattern, then you will miss out on the invaluable message they have to offer you.
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