break down into的意思？

break down into的音标：break down into的英式发音音标为：[breik daun 'ɪntuː]break down into的美式发音音标为：[brek daʊn 'ɪntu]...

Physically the rocks break down into and smaller pieces after.从物理变化来讲,岩石碎成越来越小的石块.Physically, the rocks break down into smaller and pieces.物理方面, 岩石会风化成小片小片的碎条.Physically, the rocks break down into smaller and smaller pie...