sporadic造句

There were reports of sporadic fighting in the streets.
有报道说街上有零星战斗.

The area has been the scene of sporadic artillery duels over the last six weeks.
在过去的6周中,该地区曾经发生过零星的炮击。

In its common'sporadic " form, Creutzfeldt -- Jakob disease is rare in people under 50.
克雅氏病通常以“个例 ” 形式而且在50岁以下的人中偶发.