另一方面，块状熔岩移动地更快，没有时间形成外皮，这就导致了岩浆较冷却的流动形成了更有棱角的质地。

Aa lava, on the other hand, moves faster and doesn't have time to develop a skin, resulting in a cooler flow with a more angular texture.

youdao

另一方面，块状熔岩移动地更快，没有时间形成外皮，这就导致了岩浆较冷却的流动形成了更有棱角的质地。

Aa lava, on the other hand, moves faster and doesn't have time to develop a skin, resulting in a cooler flow with a more angular texture.

youdao