ra·zor·back /ˈrezɚ/
狹尖的背脊,剃刀鯨,剃刀的鋒口,鮮明的分界線,緊急關頭
Ra·zor·back n. Zool. The rorqual.
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razorback
adj : having a sharp narrow back; "a razor-backed horse";
"razorback hogs" [syn: razor-backed]
n 1: a mongrel hog with a thin body and long legs and a ridged
back; a wild or semi-wild descendant of improved breeds;
found chiefly in the southeastern United States [syn: razorback
hog, razorbacked hog]
2: any of several baleen whales of the family Balaenopteridae
having longitudinal grooves on the throat and a small
pointed dorsal fin [syn: rorqual]