单数是transport，表示运输，运输业，运输量，复数是transports，运输船，运输机，例如：
1.The transport of goods by air is very expensive.空运货物费用十分昂贵。
2.People anticipate that vertical flight transports would carry millions of passengers as do the airliners of today.人们期望垂直飞行运输机能像今天的客机那样运载数百万乘客。
