n.轻微的爆裂声，噼啪声，（烤猪肉的）脆皮
v.发出轻微的爆裂声，发出噼啪声( crackle的现在分词 )
The firecrackers were crackling and spluttering.
鞭炮劈里啪啦地响.
He could hear the crackling of burning trees.
他可以听见树木燃烧发出的噼啪声。
The crackling became louder and louder.
爆裂声变得越来越响.
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