Her interest in science was sparked by walks in the woods wi

Her interest in science was sparked by walks in the woods with her mother.But it was the day-to-day stuff -- how water comes to the tap,how rain sticks to glass,that most fascinated her."Science is not a dead thing," she says."It's happening all around us." 中的how rain sticks to glass 该如何理解?汉语意思是什么呢?