1. 在過去，腳踏車主要是作為一種交通工具。(翻譯成英文)

詳解 (共 2 筆)

詳解 提供者：WeiZhi Ye
In the past, a bicycle is used as a traffic tool primarily.
詳解 提供者：戴克蕭
In the past, bicycles were mainly regarded as a means of transportation.