它们

Small birds molt once or twice a year, and they replace their 9 or 10 primary flight feathers a few at a time over the course of a few weeks.

形体小的鸟儿一年脱羽一到两次。它们有9到10只主要用于飞行的羽毛，鸟儿们一次更换几只，在几周的时间内它们就可以完成更换。

We also study the property of global tachyon vortex as well as monopole and in the flat spacetime, the exact solutions of them are obtained.

我们研究了整体快子弦和快子单极子的性质，得到了两者在平坦空间下的精确解，发现它们是一类非常弥散的客体，其质量主要分布在核的远处，并且它们的引力效应跟通常的拓扑缺陷也很不相同。

When woven together, as they would be in policies ranging from the Monroe Doctrine to the Marshall Plan, they were the warp and woof of a sturdy foreign policy.

当它们可以和谐地在一起运作的时候，不管是从门罗主义到马歇尔计划也好，它们都是国际事务处理的参考基础。

Massive, cumbersome outfits such as Citigroup have proved that, in spite of their enormous resources and economies of scale, they can still go monstrously wrong.

花旗集团等笨重的机构已经证明，尽管它们拥有庞大的资源和规模经济，但它们仍然可能犯下离谱的错误。

The cows swish their tails beneath them on hot afternoons; they paint rivers so green that when a moorhen dives one expects to see its feathers all green when it comes up again.

它们长在草地上、森林里、小河边——这些全是我们喜欢去想的事物——它们长着、长着，长了许多年，一点也没有注意到我们。

The expression in their eyes are various: shy, curious, smiling or mopish, but the purity is their common characteristic.

或羞涩，或好奇，或微笑，或达观，或忧郁……但不管它们表情如何，纯净是它们共同的特征。

The order of 'Road to Heaven' is that important, it is not another Moralism art work, it is more like a passiveness act from a man who is the carrier of culture as an existence.

三幅作品的顺序不那么重要，它们也并非说教式的象征性艺术作品，它们的存在完全是作为文化载体的人所具有的一类普遍性被动反映。

What is essential is not in all these scruples, in the "moralism" they betray, or in the hypocrisy one can suspect them of, but in the recognized necessity of overcoming this hesitation.

问题的根本不在于这些顾虑，不在于它们所违背的"道德性"，不在于人们质疑它们的虚伪性，而是在于我们必须超越这种犹豫的公认性。

"She lets them chew on her beard, and sometimes they'll lie on her back," Morin said.

莫琳表示︰「她会让它们咬她的胡须，有时它们会躺在她的背上。

We herein report two cases of goats with sexual deformity.They had two systems of reproductive organs and the karyotype analysis showed mosaicism for their sex chromosomes,i.e.,60,XX / XY.The proportion of XX cell line was 42% and 54%,while XY cell line was 58% and 46%,respectively,in the two abnormal goats.

本文报道2例两性畸形的山羊，它们均具雌雄两套生殖器官，染色体组型分析显示它们均为性染色体嵌合体，核型为60，XX/XY，两头畸形山羊的XX细胞系的比例分别为42%和54%，XY细胞系的比例分别为58%和46%。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失