adj. intermittent ; fitful ; interim
实际的损失将取决于暴露的特定频率，以及声音是连续的还是间歇的。
Actual loss will depend upon the particular frequencies to which one is exposed, and whether the sound is continuous or intermittent.
谬论：它是一个间歇的程序错误。
间歇的火山爆发使出露岩层的矿物分层。
Occasional volcanic eruptions had layered minerals throughout the outcrops.
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