dust-pan shaped hole 簸箕形孔
drilling hole dust collector 孔口除尘
dust collectors at hole collar 孔口捕尘器
At present our houses are cluttered and defiled with it, and a good housewife would sweep out the greater part into the dust hole, and not leave her morning's work undone.
目前,我们的房屋正堆满了家具,都给家具弄脏了呢,一位好主妇宁愿把大部分家具扫入垃圾坑,也不愿让早上的工作放着不干。
The results showed that a hole in the dust follows Neptune around in its orbit.
模拟结果表明,尘埃环在海王星的轨道边上形成了一个空洞。
Astrophysicists have found that when a supermassive black hole quickly devours gas and dust, it can generate enough radiation to abort all the embryonic stars in the surrounding galaxy.
天体物理学家发现,当一个巨大的黑洞快速吞噬宇宙中的气体和尘埃时产生的辐射,足够摧毁周围星系中初期形成的星体。
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