| 释义 |
tombolo Physical Geogr.|ˈtɒmbələʊ|
[a. It. tombolo sand dune, tombolo.]
A bar joining an island to the mainland.
1899F. P. Gulliver in Proc. Amer. Acad. Arts & Sci. XXXIV. 189 Upon the coast of Italy where island-tying..is beautifully shown, such a bar is called a tombolo. For convenience in distinguishing island-tying bars from those of other kinds, the writer proposes to call every bar of this kind a tombolo, giving an English plural tombolos. 1937Geogr. Jrnl. XC. 190 The writer goes on to discuss bars, spits, and tombolos along the more sheltered shores of the Firth of Clyde. 1960B. W. Sparks Geomorphol. viii. 201 In the British Isles a fine example of a tombolo is provided by Chesil Beach, an eighteen-mile-long ridge connecting the Isle of Portland to the mainland. 1977A. Hallam Planet Earth 94/3 In high-latitude, previously glaciated areas, tombolos are often formed of shingle, the commonest beach material in such regions. |