n.
an administrative division of some larger or more complex organization
"a branch of Congress"
同义词:subdivisionarm
a division of a stem, or secondary stem arising from the main stem of a plant
a part of a forked or branching shape
"he broke off one of the branches"
同义词:legramification
a natural consequence of development
同义词:outgrowthoffshootoffset
a stream or river connected to a larger one
any projection that is thought to resemble a human arm
"a branch of the sewer"
同义词:armlimb