这块木头上有个奇怪的树瘤，看起来像一张脸。

There's a strange ___gnarl on this piece of wood that looks like a face.

老树的枝干在风中扭曲变形，形成怪异的形状。

The old tree's branches were ___gnarled by the wind into strange shapes.

老旧的收音机发出噼啪的静电噪音。

The old radio ___crackled out static noises.