spark off
短语导致, 为…的直接原因
词形变化
sparked off
sparking off
sparks off
三单
sparks off
sparking off
现在分词
sparked off
过去式
sparked off
过去分词
释义与例句
v.
-
1.
To initiate something by providing the necessary conditions.
及物My letter to the newspaper sparked off an investigation into government corruption.