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crabgrass (n.)
[crabgrass 词源字典]
c. 1600, from
crab
(n.1) +
grass
. Originally a marine grass of salt marshes; modern meaning is from 1743. Perhaps partly for its crooked form.
[crabgrass etymology, crabgrass origin, 英语词源]
[crabgrass 词源字典]