vi.发出轻微的爆裂声，发出噼啪声
n.噼啪声，爆裂声，（碎瓷上的）裂纹
The only sound was the crackle of breaking ice.
唯一的声响是冰层噼噼啪啪碎裂的声音。
We heard the rapid crackle of automatic gunfire.
我们听到自动枪炮发出快速的射击声.
The crackle of the envelope in his hands was loud.
信封拿在他手里发出很响的沙沙声.
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