音标：[mæɡˈnetik bi:d] ；

[医]磁珠，磁性小珠

magnetic bead的用法和样例：

例句

Each bead is coated with fluorescently labeled antibodies that bind to a particular microbe.每一颗磁珠表面都接有标上萤光剂的抗体，可以结合特定的微生物。
The machine, which can be connected to an air sampler, mixes any particles present in the sampled air with a solution of microscopic magnetic beads.这个机器连接到一个空气采样器，会将空气样本中所有的粒子与系统里的微磁珠溶液混合在一起。

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automatic audio switching system(aas)

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avirulence

avoid something as the plague