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单词 race
释义 race
[rās]
ANTHROPOLOGY
1. A distinctive human type possessing characteristic traits that are transmissible by descent.
2. Descendants of a common ancestor.
BIOLOGY
1. An infraspecific taxonomic group of organisms, such as subspecies or microspecies.
2. A fixed variety or breed.
DESIGN ENGINEERING
Either of the concentric pair of steel rings of a ball bearing or roller bearing.
ENGINEERING
A channel transporting water to or away from hydraulic machinery, as in a power house.
OCEANOGRAPHY
A rapid current, or a constricted channel in which such a current flows; the term is usually used only in connection with a tidal current, which may be called a tide race.
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