n.large black bird with a straight bill and long wedge-shaped tail
同义词：Corvus corax
v.
obtain or seize by violence
prey on or hunt for
同义词：preypredate
eat greedily
同义词：devourguttlepig
feed greedily
"The lions ravened the bodies"
Venez
Chapter XI. The Evil Wood
Lost Libraries, James Raven (ed.)
Cancer, Volume 1 Ronald W. Raven (ed.). London: Butterworth & Co., Ltd., 1957.
Nature and human society
More problems with gap closing philosophy and research.
Principles of Surgical Oncology, R.W. Raven (Ed.). Baillière Tindall (1977)
Neural modulation of immunity
Cancer Vol. 2. Ronald W. Raven (ed.) London: Butterworth & Co., Ltd., 1958. 641 pp.
H+ Transport and Regulation of Cell pH
