crumble
Definition
To break or fall apart into small fragments, often gradually.
中文 破碎或分解成小碎片，通常是逐渐进行的。
Example
"The old wall began to crumble after years of exposure to the weather."
To break or fall apart into small fragments, often gradually.
中文 破碎或分解成小碎片，通常是逐渐进行的。
"The old wall began to crumble after years of exposure to the weather."