“uphill and downhill”可以造什么句，uphill and downhill造句
来源：语文精选馆 6.2K
From Taixi to Qingxi is a zigzag uphill and downhill road. I have been in contact with it twice by bicycle. The uphill road left me the most profound impression of the hardship.
The cross-country course consists of flat,uphill and downhill sections.
