名詞 rubble:

1. the remains of something that has been destroyed or broken up
   同義詞：debris, dust, junk, detritus

1. Many people are entombed in the rubble of the bombe buildings.
   很多人被埋在炸毀的建筑物的瓦礫里。
2. Many people were entombed in the rubble of the bombed buildings.
   很多人被埋在炸毀的建筑物的瓦礫里。
3. The ceiling collapsed and rubble poured into the room.
   天花板坍塌了，碎磚破瓦掉落到了屋里。
4. Rubble covered the pavement.
   人行道上鋪了碎石塊。

rub.ble

n.（名詞）
A loose mass of angular fragments of rock or masonry crumbled by natural or human forces.
碎石：有角的巖石或磚石建筑的松散的一堆，是由自然力或人力弄碎的

Irregular fragments or pieces of rock used in masonry.
粗石：用于磚石建筑的不規(guī)則碎片或碎塊
The masonry made with such rocks.
石層：用毛石等制成的

來源：
Middle English rubel
中古英語 rubel

【引伸】
rub.bly
adj.（形容詞）