These layers are slowly and successively produced by the animal itself.

这一层一层的物质都是住在贝壳的牡蛎自己生成的。所以，珍珠形成得十分缓慢。

During their stay, two lab modules, Wentian and Mengtian, will be sent successively into space.

在飞船停留在太空的期间，问天和梦天两个实块将先后被送入太空。

This enabled the two Voyagers to use a gravity assist technique in which the craft were successively flung from one gassy giant to the next in a kind of cosmic version of crack the whip.

这就使得两艘旅行者号飞船能够利用引力帮助技术，以一种宇宙甩鞭的形式，被从一颗气态巨星连续甩到下一颗气态巨星。

Beneath this undifferentiated subconscious layer we will find, and psychologists can find through testing and hypnosis, a layer composed of memories, dealing successively with each previous existence, and separated by a layer between lives that is, again, undifferentiated.

在这个未区别的潜意识层下面，我们会发现，心理学家可以通过测试和催眠找到一个由记忆组成的潜意识层，依次处理每一个前世的存在，并由转世之间的层分开，这个层也是未区别的。

Qieyang was given the gold medal of women's 20km race walk at 2012 London Olympic Games after the original top two athletes had been stripped of their medals for doping successively.

在 2012 年伦敦奥运会女子 20 公竞走比赛中，前两名运动员因服用兴奋剂先后被剥夺奖牌后，切阳什姐获得了金牌。

Melodic sequence is simply the repetition of a musical motive at a successively higher or lower degree of the scale.

旋律进只是在音的高几度或低几度的位置来重复仿那个音乐动机。

Without realising it, he saw all the rays of the twilight become successively extinguished.

不知不觉间， 他看到那暮光之中， 所有的光芒都接连熄灭。

We call that stage I. Then you get successively deeper, II through IV, slow, irregular, high amplitude delta waves, and then once you reach stage IV you start going up again, up through stage III and II.

我们称之为一段。 然后你会逐渐深入，从二段到段， 缓慢、不规则、高振幅的三角波，然后一旦到达段， 你就会再次开始上升，直到三段和二段。

The goal in all education, democratic or other, is always receding before the advancing contestant, as the top of a mountain seems to retreat before the climber, remoter and higher summits appearing successively as each apparent summit it reached.

所有教育的目标，无论是民主的还是其他的，总是在前进的竞争者面前后退，就像山顶似乎在登山者面前后退一样，更远更高的山峰在它到达每个明显的山峰时相继出现。

And as the same pieces of money can thus serve as the instrument of different loans to three, or, for the same reason, to thirty times their value, so they may likewise successively serve as the instrument of repayment.

并且由于同样的货币可以作为不同贷款的工具，借贷三倍，或者出于同样的原因，借贷其价值的三十倍，所以它们同样可以依次作为偿还工具。

But with the working ant we have an insect differing greatly from its parents, yet absolutely sterile; so that it could never have transmitted successively acquired modifications of structure or instinct to its progeny.

但是对于工作的蚂蚁， 我们有一种昆虫与其父母有很大的不同， 但绝对不育；因此，它永远不可能将连续获得的结构或本能的改变传递给它的后代。

What you can do is imagine a sequence of different  polyhedra that successively approximate a sphere, in the sense that their faces hug tighter and  tighter around the genuine surface of the sphere.

你可以想象一系列不同的多面体， 它们依次逼近一个球体，也就是说它们的面越来越紧密地贴合在球体的真实表面周围。

Yeah so he's kind of successively moved his operation further and further away from the prying eyes of everyday japanese people and ultimately ended up in manchuria because it was so.

是的，所以他逐渐把他的一系列活动转移到离普通日本人越来越远的地方，最终到了满洲，因为那很适合。

I was surgeon successively in two ships, and made several voyages, for six years, to the East and West Indies, by which I got some addition to my fortune.

我先后在两艘船上担任外科医生，并在六年内多次前往东印度和西印度，从而增加了一些财富。

Consider what extraordinary kindness of fate must tend upon one, that not a care, not a preoccupation, should interfere with his contemplative thought for five or six days successively!

想一想命运对一个人来说是何等的仁慈，以至于连续五六天没有一种关心，一种专注，干扰​​了他的沉思！

The mind is 'a kind of theater, where several perceptions successively make their appearance; pass, repass, slide away, and mingle in an infinite variety of postures and situations.

心灵是“一种剧院，几种知觉相继出现；通过、重新通过、滑开，并以无数种姿势和情况混在一起。

Admittedly, there are cases that help-givers are successively reported to be falsely identified as offenders, which makes common people become more risk-conscious and unwilling to offer their help.

诚然，接连有助人被举报冒犯的个案，让老百姓风险意识增强，不愿提供帮助。

Many appliances have been subjected to three, four, or even five rounds of successively tighter energy efficiency regulations over the years, with no end in sight.

多年来，许多电器已经经历了三、甚至五轮日益严格的能效法规，且这一趋势似乎没有尽头。

Before the erection of the Royal African company, there had been three other joint-stock companies successively established, one after another, for the African trade.

在皇家非洲公司成立之前， 先后成立了另外三个股份公司， 从事非洲贸易。

While the elderly gentleman stood looking at the Pyncheon House, both the frown and the smile passed successively over his countenance.

老先生站在那望着品川府，眉头一皱，一笑而过。