We hope today to penetrate that area more and attempt to learn in a deeper way some of the principle concepts that make up our universe.

我们今天要进一步研究学习并且尝试更深入的了解组成我们宇宙的一切原理概念。

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These have adapted to the environment by the development of long taproots that penetrate downward until they approach the assured water supply provided by groundwater.

这类植物通过生长出长长的主根来适应环境，这些主根可以向下渗透，直达地下水提供的充足水源。

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Taranis is a stealth vehicle that would be able to penetrate enemy airspace.

而塔拉尼斯则是可以悄悄渗入敌军空域的潜行飞机。

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So, the size still for an s orbital is larger than for a d orbital, but what we say is that an s electron can actually penetrate closer to the nucleus.

轨道的尺寸比,ｐ轨道还是要大，但我们说的是ｓ轨道可以,穿透到更接近原子核的地方。

麻省理工公开课 - 化学原理课程节选

So what is actually going to matter is how closely that electron can penetrate to the nucleus, and what I mean by penetrate to the nucleus is is there probability density a decent amount that's very close to the nucleus.

所以实际上有关系的是,电子可以穿越至原子核有多近,我所指的穿越至原子核是,这里有一定数量的概率密度,可以距离原子核非常近。

麻省理工公开课 - 化学原理课程节选

A small molecule gets produced by cells in one part of the body, circulates in the blood, estrogen enters cells, and sometimes that estrogen is able to penetrate deep within the cell, even into the nucleus.

雌激素是由身体某部分细胞分泌的,随着血液循环进入细胞,有时雌激素能够进入到细胞内部,甚至进入到细胞核内

耶鲁公开课 - 生物医学工程探索课程节选

To penetrate that defensive shell, most teams sacrifice the puck, firing it into the zone in order to win it back amid the thicket of bodies near the net.

WSJ: How the Chicago Blackhawks Became Unbeatable

What I found fascinating was his analysis of current bypass tools and technology, and the techniques that were developed by the KGB more than forty years ago to penetrate facilities that were protected with some very sophisticated locks and safes.

FORBES: A Former KGB Covert Entry Expert Speaks

The beauty of fiber optic communications systems is that they are very hard to penetrate - unless, that is, you own the infrastructure and, therefore, have physical control of its cable lines.

CENTERFORSECURITYPOLICY: Strategic fire-sale