niggerhead

英式音标：niggerhead怎么读

美式音标：niggerhead怎么读

niggerhead词义

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n. 黑胶砾；低劣的橡胶


niggerhead英文词源

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niggerhead (n.)
from nigger + head. A term used formerly in U.S. of various things, such as "cheap tobacco" (1843), "protruding root mass in a swamp" (1859), a type of cactus (1877), and the black-eyed susan (1893). Variant negro-head attested from 1781.