"Donchang Lake" is the Engpsh translation for "东昌湖" in Chinese. The name "Donchang" is derived from the Chinese "东昌", meaning "prosperous east".
For example:
"Donchang Lake is a popular destination for tourists in the summer." (东昌湖是夏天的旅游胜地)
"The Donchang Lake Park offers many recreational activities for visitors." (东昌湖公园为游客提供许多休闲活动)
"Donchang Lake is known for its beautiful sunset views." (东昌湖以其美丽的日落景色而闻名)