下雨 / 后 / 坡路 / 变得 / 又滑又陡 / 司机 / 只能 / 放慢 / 车速下雨后,坡路变得又滑又陡,司机只能放慢车速。After it rained, the hill road became both slippery and steep, so the driver had to slow down.