V2EX sandbar

Sandbar

释义 Definition

Sandbar(名词):沙洲,沙坝。指由水流、波浪或潮汐作用将沙子堆积而成的狭长沙丘,通常出现在河流入海口、湖泊边缘或海岸附近的浅水区域。

发音 Pronunciation

/snd.br/

词源 Etymology

sandbar 是一个复合词,由 sand(沙子)和 bar(障碍物、横档)组合而成。sand 源自古英语 sand,与日耳曼语系同源;bar 源自古法语 barre,意为"横杆、障碍"。在地理学语境中,bar 指水中因沉积作用形成的隆起地形,因此 sandbar 即"由沙子构成的水下隆起",形象地描述了这一自然地貌。该词最早在18世纪的英语文献中出现,多用于航海和地理描述。

例句 Examples

The children played on the sandbar when the tide was low.
退潮时,孩子们在沙洲上玩耍。

The boat ran aground on a hidden sandbar that had shifted overnight due to the strong current.
由于水流湍急,沙洲在一夜之间发生了位移,船搁浅在了一处隐蔽的沙洲上。

相关词汇 Related Words

文学作品 Literary References

  • 马克吐温(Mark Twain)在《密西西比河上的生活》(Life on the Mississippi)中多次提到 sandbar,描写密西西比河上变幻莫测的沙洲给航行带来的危险,是领航员必须熟知的障碍。
  • 阿尔弗雷德丁尼生(Alfred, Lord Tennyson)的著名诗作《渡过沙洲》(Crossing the Bar)以 bar(沙洲)作为核心意象,象征生命与死亡的边界,是英语文学中最经典的沙洲隐喻之一。
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