Mr. Wallace has also detected one such case with birds, but we have none with the larger quadrupeds. 查尔斯·达尔文.物种起源.
Quadrupeds have twice as many legs, run faster, and stand more firmly. Edward W. Byrn.十九世纪发明进展.
You never meet with quadrupeds going up and down walls; you must not have quadrupeds represented upon walls. 查尔斯·狄更斯.艰难时事.
It is certain that insects and blood-sucking bats determine the existence of the larger naturalised quadrupeds in several parts of South America. 查尔斯·达尔文.物种起源.
For it would appear that climate has some direct action on the hair of our domestic quadrupeds. 查尔斯·达尔文.物种起源.
On either side, the islands stand on a moderately shallow submarine bank, and these islands are inhabited by the same or by closely allied quadrupeds. 查尔斯·达尔文.物种起源.
No geologist feels any difficulty in Great Britain possessing the same quadrupeds with the rest of Europe, for they were no doubt once united. 查尔斯·达尔文.物种起源.