
tributaries
词源
源自拉丁语 'tributarius'(进贡的),后经古法语 'tributaire' 进入英语,原指进贡的附属国,后引申为地理学术语。
noun
❶ 指汇入主河流的小河或支流,在地理学中用于描述水系结构。支流的水量最终都会流入更大的河流或湖泊。
“The Mississippi River has over 250 tributaries.”
(密西西比河有超过250条支流。)
“These small tributaries provide water to the main river during dry seasons.”
(这些小型支流在旱季为主河流提供水源。)
❶ 比喻次要的、附属的事物或贡献者,常用来描述资源、信息等的次要来源。
“Small businesses are tributaries to the national economy.”
(小型企业是国民经济的组成部分。)
“These donations serve as tributaries to the main funding of the charity.”
(这些捐款是该慈善机构主要资金流的补充来源。)
常见短语
network of tributaries — 描述多条支流形成的复杂水系网络,常用于地理或水文研究场景。
“Scientists mapped the entire network of tributaries in the Amazon basin.”
(科学家绘制了亚马逊流域完整的支流网络图。)
major tributaries — 特指水量较大或地理意义重要的主要支流,区别于小型支流。
“The Yangtze River's major tributaries include the Min River and the Jialing River.”
(长江的主要支流包括岷江和嘉陵江。)