低厚的云是辐射不可穿透的。

Low thick clouds are not transparent to radiation.

youdao

孤独症不是一堵无法穿透的墙。

Autism is not an impenetrable wall.

youdao

所以物质具有不可穿透的特性。

So matter has the property of impenetrability.

youdao

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

First of all, the majority of the alpha particles were transmitted through the screen, OK, majority, vast majority.

第一点，大部分的阿尔法粒子,全都从屏幕穿透过去了，嗯，大部分的，绝大部分的。

麻省理工公开课 - 固态化学导论课程节选

This infinitesimal gap-- and this gap is known as a synapse-- and what happens is when a neuron fires, an axon sends chemicals shooting through the gap.

这个极小的缝隙,这个缝隙就叫做突触,当神经元产生神经冲动后,轴突会释放出能够穿透缝隙的化学物质

耶鲁公开课 - 心理学导论课程节选