crumbles
n.
酥皮水果甜点( crumble的名词复数 );
v.
（把…）弄碎， （使）碎成细屑( crumble的第三人称单数 );
衰落;
坍塌;
损坏;
例句:
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This cake crumbles too easily.
这种蛋糕太容易碎了。
来自《权威词典》
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This bread crumbles ever so easily.
这种面包非常容易碎.
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Inexorably , the ground that had been solid crumbles, and new shores emerge.
斗转星移,业已干枯的残花败柳, 其凋零不可避免,取而代之的是新的风景线.
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Central command control model invariably crumbles.
来自SA
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Mention means-testing, though, and that sympathy instantly crumbles to dust.
来自THETIMES
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Based on recent recessions, profits could fall a third if the economy crumbles.
来自NPR