查询词典 finches

But by analyzing the close similarity of their genetic codes, scientists today can confirm that the Galápagos finches did indeed descend from a single ancestral species (a bird whose closest living relative is the dull-colored grassquit).

不过，如今科学家分析牠们彼此近似的基因密码，确定了加拉巴哥群岛的雀的确是源自于同一个始祖物种（血缘上最接近这种鸟的现存生物是暗色草雀）。

In particular, they've been counting Gouldian finches - the tiny, brilliantly coloured birds which so impressed 19th-century ornithologist John Gould.

特别是，他们已经计算胡锦鸟-微小的，出色的彩色鸟类，如此深刻的印象19世纪的鸟类学家约翰古尔德。

He also has p ictu res of the relative rosiness of any given male finches breast.

他有一张任何所给的雄性鸟类胸脯的图表。

Sparrow Any of various small New World finches of the family Emberizidae, having brownish or grayish plumage and including the song sparrow, white-throated sparrow, chipping sparrow, vesper sparrow, and other closely related species.

麻雀：任一种产于西半球的雀科的小雀鸣鸟，羽毛呈浅棕色或浅灰色，包括歌雀、白喉带、褐斑翅雀、黄昏雀和其他相近的种类

Zebra finches use vocalization and body movement to communicate.

斑纹草雀使用发声和肢体语言来进行联络。

Among his examples are vampire bats tuned to extract blood from large slumbering mammals and bats that aim instead for the warm breast plates of birds; New World leeches that track their hosts through the water and Old World leeches that relentlessly stalk down blood bearers on land; the notorious vampire finches of the Galapagos that daintily peck open dribbling wounds on the hindquarters of blue-footed boobies; and the candiru, tiny, eel-like catfish that are reputed to have the power to swim up a person's urethra and suck blood from the bladder and thus are often more feared than their fellow river dwellers, the piranhas.

他举的例子有自静止状态的大型哺乳动物吸血的吸血蝙蝠，与转而瞄准鸟儿温暖胸脯的蝙蝠；西半球的水蛭透过水来找寄主，东半球的水蛭在陆地上无情追踪带血的对象；加拉巴哥群岛恶名昭彰的吸血鸣鸟一点一滴优美地在蓝脚鲣鸟的尾部啄出伤口；还有短小鳗形的寄生鲶，以直接游入人类尿道从膀胱吸血而知名，因此比同条河里的食人鱼更令人畏惧。

Any of several small American finches of the genus Carduelis, especially C.

黄雀若干种小的雀属美洲雀，特别是黄雀属，雄鸟羽毛呈黄色；翼、尾和头顶均呈黑色

Dimorphic coloration appears by the time these finches are 90 days old.

出生90天后的珍珠鸟开始显现雌雄异色。

Largest order of birds comprising about half the known species: rooks; finches; sparrows; tits; warblers; robins; wrens; swallows; etc.; in four suborders: Eurylaimi; Tyranni; Menurae: Oscines or Passeres.

包含大约一半以上已知种类的最大鸟目；麻雀；山雀；鸣鸟；知更鸟；鹪鹩；燕子；包含四个亚目：润嘴鸟亚目；霸鹟鸟亚目；琴鸟亚目；鸣禽亚目或雀亚目。

"Finch:any of various relatively small birds of the family Fringillidae, including the gold finches , sparrows, cardinals, grosbeaks, and canaries, having a short, stout bill adapted for cracking seeds."

&雀：雀科的一种相对小的鸟，包括金翅雀、麻雀、红雀、交嘴雀和金丝雀，有短的、坚硬的且适于咀嚼种子的嘴。&

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。