One is dust and other heavy solid particles in the air.

一种是空气中的灰尘和其他固体颗粒。

The old man swung the club down again as he slipped away to swallow and hit only the heavy solid rubberiness.

老人趁它溜开去把肉咽下时，又抡起棍子朝它打下去，只打中了那厚实而坚韧的橡胶般的地方。

They possess vast ability in grasping, and arranging, and appropriating to themselves, the big, heavy, solid unrealities, such as gold, landed estate, offices of trust and emolument, and public honors.

他们拥有巨大的能力来把握、安排和挪用那些巨大、沉重、坚实的非现实事物，例如黄金、地产、信托和薪酬以及公共荣誉。