We hear a step on the stair.
我们听见楼梯上有脚步声。
Eric could see stair under the ground.
埃里克看到地下有一道台阶。
At the Tesla booth, visitors flocked to see a humanoid robot named Optimus, which is capable of going up stairs, squatting, holding heavy items, grasping tiny objects and operating mechanical devices.
在特斯拉的展台上，游客们蜂拥观看一款名为Optimus的人形机器人，它能够上楼梯、蹲下、拿重物、抓微小物体和操作机械设备。
According to Financial Times who cited Regional French, Wang died Tuesday morning after falling down the stairs of a church in the hilltop Provençal village of Bonnieux while attempting to take a photograph.
China Wu Yi (Kenya) Precast company Limited will produce interior wall panels, slabs and beams, columns and stair case for assembling during construction of apartment buildings.
Having gained more experience now, he shared his way to improve steadiness with Voice of China: "Hold onto the backpack's shoulder straps tightly to balance the backpack on the way, and take the stairs one small step at a time.
"I bought Xiaomi smart lamps," Tamas Sos, a 40-year-old entrepreneur told Xinhua, noting that the lights are extremely helpful as his pregnant wife has to get up at night in a house with narrow corridors and steep stairs.
This should enable it to do tasks such as helping senior people go up and down stairs.
It will also assist seniors to navigate flights of stairs.
The gadget demonstrates its diversified and intelligent in-home service capabilities, being able to climb stairs, walk up and down slopes, play chess in real time, and walk on uneven terrain.
In China, seniors living in apartments built before 1990 face difficulty getting up and down the stairs because the buildings are usually six or seven floors and do not have elevators.