释义
n.
a device used for spreading or scattering a substance over a wide area
传播机；撒播器。
a person who spreads or disseminates something
散布者；传播者
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they were spreaders of terror .他们是恐怖的传播者。
a plant that grows over a wide area
分布很广的植物。
a bar attached to the mast of a yacht in order to spread the angle of the upper shrouds
纵向撑木。