我知道了。男式服装部在第三层。

I see. The men's clothes department is on the third floor.

在第二层和第三层的人正在破坏窗户，尖叫，求我！

People on the second and third floors were busting out windows, screaming, 'Help me!

停车场在第二层和第三层，总共一百六十个车位，其中十二个是临时车位，其余的是供住户使用的。

A: There are a total of one hundred and sixty parking lots on the second and third floor, in which twelve are for visitors and the rest are for residents.

停车场在第二层和第三层，总共一百六十个车位，其中十二个是临时车位，其余的是供住户使用的。

There are a total of one hundred and sixty parking lots on the second and third floor, in which twelve are for visitors and the rest are for residents.

IP转发工作在第三层，利用每个输入包的地址来决定如何转发包，转发的依据是IP地址。

IP forwarding works in layer 3, using the address of each input packet to decide how to forward it; that is to say, forwarding is based on IP addresses.