They can use the pingpong table at Alex's apartment building.

他们可以使用亚力克斯住大楼里乒乓球。

Don't worry. We can use the pingpong table at my apartment building.

担心， 我们可以使用我住大楼里乒乓球。

Among them, a flying car, a large gantry milling machine, a coin-sized pacemaker and a robot that played pingpong with humans.

其中有会飞汽车、巨型龙门铣、硬币大小心脏起搏器、会与人协作机器人等等。