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。
They combine with dust particles from the comet to form a huge cloud.
硫化物、氮化物会形成酸雨，细小尘埃颗粒会影响人的健康。
Sulfide, nitride can form acid rain, fine dust particles can affect people's health.
从尘埃颗粒到小石头，一颗颗流星排列着形成一定规模。
The meteorites range in size from dust grains to small pebbles.
从尘埃颗粒到小石头，一颗颗流星排列着形成一定规模。
The meteorites range in size from dust grains to small pebbles.
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