您要查找的是不是：
- So much about genetics of behavioral variations within species. 很多关于遗传的行为变异是在物种之内的。
- Within species, an inverse relationship sometimes takes hold: Smaller rats live longer than big ones.Prof. 但具体到一个物种内部，则会出现相反的规律：个子小的老鼠比大老鼠活的更久。
- But by the absence of greater change, we also clearly see that the limits of variation appear to be narrowly bounded, and often bounded within species. 但未见更大的性状变化，我们也很清楚地意识到变异产生的极限似乎在很窄的边界内，而且常常限定在同一物种内部。
- They may accept that evolutionary change is possible within species ("microevolution"), but deny that one species can evolve into another ("macroevolution"). 他们可能会承认进化变化可能在物种内发生（微进化），但他们否认一个物种可以演变成另一个物种（宏进化）。
- The effort to determine the genealogical links among all life-forms includes extensive genetic sampling of biological diversity, within species as well as among them. 要确定所有生命形式的亲缘系谱关系，必须在同一物种之间以及不同物种之间进行广泛的遗传取样，鑑定生物多样性；
- Most plants can reproduce both sexually and vegetatively, and the balance between the two reproductive modes may vary widely between and within species. 摘要许多植物同时具有克隆生长与有性繁殖，两种繁殖方式间的平衡在不同物种间以及同一物种内不同种群间变化很大。
- I want a cottage within reach of London. 我想要一幢靠近伦敦的小屋。
- It has come within the range of practical politics. 这就属于可实施性政治的范围了。
- He's quite within his rights to demand an enquiry. 他完全有权要求进行调查。
- No parking within the hospital precincts. 医院范围内禁止停放车辆。
- I like to have my reference book within my reach. 我喜欢把参考书放在随手拿得到的地方。
- He is no longer within the pale of noble society. 他不再是贵族社会的一员了。
- I will sell the house at a price within reason. 我将以合理的价格出售这幢房子。
- For sale: small motor scooter. Enquire within. 待售：小型摩托车，请进内询问。
- It came within my range of vision. 该物体进入了我的视野。
- The play folded within a fortnight. 那话剧演了两个星期就停演了。
- There should be no disunity within our party. 我们党内不应该存有分歧。
- The cabbage germinated within a week. 白菜一星期内就发芽了。
- The arrangement of the young leaves within a bud. 幼叶卷叠式花蕾内的幼叶的排列
- Seen from within, the cave looked larger. 从内部看，那个地洞显得更大。
