GbEng
他跑下楼梯。 He ran down the stairs.
跑上楼梯时,心跳会加速。 Your heart beat will quicken when you run up the stairs.
没有电梯, 我们得爬六段楼梯. There was no lift and we had to climb six flights of stairs.
那位老太太从一段楼梯上摔了下来。 The old woman fell down a flight of stairs.
你能扶我上楼梯吗? Could you help me up the stairs?
我们听到了他走在楼梯上沉重的脚步声。 We heard his heavy tread on the staircase.