因此，它不可能只是一块类似我们地球的固体岩石。

So it probably isn't just a solid rock, like our Earth.

youdao

通常一块巧克力棒大约100克，但其中健康的固体可可含量则千差万别。

A typical chocolate bar weighs around 100 grams, but the amount of healthy cocoa solids it contains varies greatly.

youdao

假如力场中某处有一小块固体，旋度度量的是固体在力场中的旋转程度，在力场里来观察。

If you have a small solid somewhere, the curl will just measure how much your solid starts spinning if you leave it in this force field.

youdao