过去几年完成的几条地铁线，现在正延长到城郊。的翻译：Completed several new subway lines of the past few years, now being extended to the suburbs. 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

Completed in the past few years, several subway lines, is now extended to the suburbs.

Completed several new subway lines of the past few years, now being extended to the suburbs.

In the past several years completed several place iron wires, are lengthening the suburb now.

The past few years to complete a number of subway lines, is now being extended to the suburban.

Completed several new subway lines of the past few years, now being extended to the suburbs.