a transport system

• 运输系统

a transport system的用法和样例：

例句

1. Our transport system has a serious design fault.
   我们的运输系统设计有个严重缺陷。
2. The world's transport systems would fall apart without a supply of electricity.
   全世界的运输系统也将因没有电力供应而陷于瘫痪。