短语词组短语cast slip down 摔在地上slip down the stairs 从楼梯上滑倒Slip and fall down carefully 小心地滑倒CAREFULLY SLIP AND FALL DOWN 小心滑倒down slip 防止上移的卡瓦down slip fault 下落断层hold -down slip 防止上移的卡瓦down -slip-fault 下落断层 返回 slip down