They combine with dust particles from the comet to form a huge cloud.
它们与来自彗星的尘埃颗粒结合在一起，形成了巨大的云团。
In that time some of the particles get together and form antihydrogen.
这段时间内一些粒子聚合成反氢原子。
Water binds particles of dirt to form mud.
水凝结脏物的微粒构成泥巴。
Some of these particles, such as the electron, are stable and form normal matter.
一些粒子对于正常的物质来说是稳定的。
Hexagonal ice crystal are the basic form of the particles in cirrus.
六角柱冰晶是卷云中粒子的基本形态。
Mass per unit of volume in powder form, including the air trapped between the particles.
每单位体积粉末的质量，包括粒子之间的空气。
Particles used in an ideal form.
使用的粒子的一种理想的形式。
Skin particles are a form of soil.
皮肤碎屑是污垢的一种形式。
To cause to form hard particles; granulate.
使粒化使形成硬的微粒；
To cause to form hard particles; granulate.
使粒化使形成硬的微粒；
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