crumble

房子颤抖得如此猛烈，以至于你以为它随时都会坍塌。

The house trembles so fiercely that you think it's going to ___crumble any second.

晚餐后我们享用了覆盆子碎屑甜点。

We had a raspberry ___crumble for dessert after dinner.

饼干放久了会碎成小块。

The cookies will ___crumble into small pieces if left out too long.