intermittent rain meaning in English

间断下雨
间歇性雨
间歇雨
间中有雨

In the daytime intermittent rains freshened all the earth .
白天里，时断时续地下着雨，使整个大地都生气勃勃了。
Seed varieties suited to africa ' s difficult conditions ? where crops are watered by intermittent rains , not by a reliable system of irrigation ? were invented
各种能适应非洲恶劣条件的种子早已被培育出来? ?在非洲农作物都是依赖断续的降雨来灌溉，而没有可靠的灌溉系统。