Solids in milk include salts, protein and sugar.

牛奶中的固态物质包括盐分、蛋白质和糖。

youdao

Liquids are like solids in that they have a definite volume.

液体像固体一样，都拥有确切的体积。

youdao

Liquids are different form solids in that liquids have no definite shape.

液体与固体不同，因为液体没有一定的形状。

youdao

Piezoelectricity essentially refers to current that accumulates in certain solids in response to applied mechanical stress.

BBC: Sensors

Arad figured out how to express the idea that what were once the largest solids in Manhattan are now a void, and he made the shape of this void into something monumental.

NEWYORKER: Shaping The Void

It's cream that's thickening on the verge of turning into sweet butter or souring into sour cream but it has instead decided to clump together its richest essences into buttery solids in the thick, silky, creamy liquid.

WSJ: Let Them Eat Fat: In Praise of Fatty Foods