sporadic

形容词

1. 1

   零星的、偶发的、断断续续的

   There was sporadic gunfire near the border throughout the night.

   整个晚上边境附近都传出零星的枪声。

2. 2

   不定期的、时有时无的

   His attendance was sporadic, so he missed most of the lectures.

   他来上课断断续续的，因此错过了大部分的课程。

3. 3

   散发性的医学

   Most cases of the disease are sporadic rather than inherited.

   这种疾病多数为散发性病例，而非遗传而来。