Hence the supposed extermination of so many species having similar habits with the rock-pigeon seems a very rash assumption. 查尔斯·达尔文.物种起源.
A weed like the Russian thistle, for instance, will defy all usual means for its extermination. 威廉·亨利·杜利特.世纪发明.
The process of extermination in such cases would be rapid, whereas the production of new species must always be slow. 查尔斯·达尔文.物种起源.
They were near to extermination that once and they will not venture risking it again. 埃德加·赖斯·巴勒斯.火星战神.
Extermination. 查尔斯·狄更斯.双城记.
His name had been proclaimed as a defaulter on the Stock Exchange, and his bankruptcy and commercial extermination had followed. 威廉·梅克比斯·萨克雷.名利场.
At extermination, said madame. 查尔斯·狄更斯.双城记.
On a small island, the race for life will have been less severe, and there will have been less modification and less extermination. 查尔斯·达尔文.物种起源.
Also should I devote my life to the extermination of the hideous plant men and their horrible companions, the great white apes. 埃德加·赖斯·巴勒斯.火星战神.
We see the same process of extermination among our domesticated productions, through the selection of improved forms by man. 查尔斯·达尔文.物种起源.
In the war of extermination that was ever before the great naturalist's eye in South America, what is it that favors a species' survival or determine s its extinction? 李贝.西洋科学史.
He was in close contact with the sanguinary political struggles of South America, and with a war of attempted extermination against the Indian. 李贝.西洋科学史.
He opposed those physicians who believed in the spontaneity of disease, and he wished to wage a war of extermination against all injurious organisms. 李贝.西洋科学史.
Extermination is good doctrine, my wife, said Defarge, rather troubled; in general, I say nothing against it. 查尔斯·狄更斯.双城记.
In some cases, however, the extermination of whole groups, as of ammonites, towards the close of the secondary period, has been wonderfully sudden. 查尔斯·达尔文.物种起源.