bubble wall fragment

例句：

1. 1. Thewall was covered in bubbles and fragments of broken glass.
   墙上满是气泡和破碎的玻璃碎片。
2. 2. The builders had to remove the bubble wall fragments before they could start work on the new building.
   在开始新建筑的工作之前，建筑工人必须移除泡沫墙碎片。
3. 3.The engineer carefully removed the bubble wall fragments to ensure safety during the demolition.
   工程师小心翼翼地移除泡沫墙碎片以确保拆除过程中的安全。