(n.) The kneelike bend, in the anterior part of the callosum of
the brain.
卡蜜拉整理
双语例句
The difficulty in distinguishing variable species is largely due to the varieties mocking, as it were, other species of the same genus. 查尔斯·达尔文.物种起源.
It was a tree of the fig genus, and from the first it was treated with peculiar veneration. 赫伯特·乔治·威尔斯.世界史纲.
I have met with striking instances of the rule in the case of varieties intermediate between well-marked varieties in the genus Balanus. 查尔斯·达尔文.物种起源.
Richard sagaciously saw, as Jussieu observes, that this genus should still be retained among the Malpighiaceae. 查尔斯·达尔文.物种起源.
This seemed to be true, so long as a genus was imperfectly known, and its species were founded upon a few specimens, that is to say, were provisional. 查尔斯·达尔文.物种起源.
Let (A) be a common, widely-diffused, and varying species, belonging to a genus large in its own country. 查尔斯·达尔文.物种起源.
You had a real _genus_, to use his expression. 乔治·艾略特.米德尔马契.
Is every man's life subject to pure accident, is it only the race, the genus, the species, that has a universal reference? 戴维·赫伯特·劳伦斯.恋爱中的女人.
Thus it is, as I believe, that two or more genera are produced by descent with modification, from two or more species of the same genus. 查尔斯·达尔文.物种起源.
In a large genus it is probable that more than one species would vary. 查尔斯·达尔文.物种起源.
You will think more highly of your genus when you have seen its armies and navies, its great cities, and its mighty engineering works. 埃德加·赖斯·巴勒斯.人猿泰山.
If the extreme forms in the genus happen to have been thus destroyed, the genus itself will stand more distinct from other allied genera. 查尔斯·达尔文.物种起源.
Like many other species of this genus, the ermine has the faculty of ejecting a fluid of a musky odor. 佚名.神奇的知识之书.
All that we want to show is, that where many species of a genus have been formed, on an average many are still forming; and this certainly holds good. 查尔斯·达尔文.物种起源.
No fixed law seems to determine the length of time during which any single species or any single genus endures. 查尔斯·达尔文.物种起源.