spring up

动词 spring up:

1. come into existence; take on form or shape
   同义词：originate, arise, rise, develop, uprise, grow

1. Doubts have begun to spring up in my mind.
   洒水装置; 洒水器; 消防喷嘴。
2. New houses are springing up all over the city.
   新建筑物犹如雨后春笋般地出现在这座城市里。
3. Storms spring up easily in this region.
   这个地区很容易发生风暴。