youdao

The commonest spaces are those among the particles—sand grains and tiny pebbles—of loose, unconsolidated sand and gravel.

最常见的空间是那些由松散的、未固结的砂和砾石组成的颗粒（沙粒和小卵石）之间的空间。

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youdao

A mineralogist at the California Institute of Technology, Rossman says serpentine is only dangerous if you grind it up and inhale the particles.

VOA: standard.2010.07.26

And then, what they did is they made a map of where the particles scattered once they struck the screen.

他们做的是,绘制粒子每次散射位置的图,每当他们撞击屏幕的时候。

麻省理工公开课 - 固态化学导论课程节选

So as the particles on the disk that get the current in the read/write head moving put together millions of these magnetized segments and you've got a file.

通过读写头你就可以得到每个粒子的极性,如果把这些上百万粒子的信息,汇聚要一起就够成了一个文件。

哈佛公开课 - 计算机科学课程节选

That process of decay would result in the particles losing substantial amounts of energy.

FORBES: More Evidence Against Faster Than Light Neutrinos

The particles, they said, had come from Pakistan where the centrifuges were first used.

BBC

The particles all needed to be the same size to ensure the drug worked consistently.

FORBES: The Impossible Made Possible