thalweg

英[\'tɑ:lve?k]
美[\'tɑl?veg]

基本釋義

n.
最深谷底線; 深泓; 深泓線

英英釋義

Noun
  • 1. the middle of the chief navigable channel of a waterway that forms the boundary line between states

  • 2. a line following the lowest points of a valley

最新英語單詞

行業(yè)英語