- She do not dare to bike down the abrupt slope.
- Hospitably warning:Be care for the abrupt slope.
- She did not dare to bike down the abrupt slope.
- The palaeokarst abrupt slope, the palaeokarst monadnock and its surrounding were the best preserved region of karst and corrosion holes.
- The northern abrupt slope of Dongying Sag is the developed area of sandy conglomeratic body.