海底

• 拼音: hǎi dǐ
• 汉字拆解: 海 = 氵 (water) + 每 (every), meaning sea; 底 = 广 (shelter) + 氐 (base), meaning bottom

含义

Seabed; ocean floor; bottom of the sea. The ground beneath the ocean.

Used in scientific, adventure, and creative contexts. Common collocations: 海底世界 (undersea world), 海底隧道 (undersea tunnel), 海底捞 (famous hotpot chain, literally 'fishing from the sea bottom'). Jules Verne's '20,000 Leagues Under the Sea' is called 海底两万里.

例句

1. 科学家在海底发现了许多以前从未见过的奇特生物。
2. 海底隧道的建设难度极高，需要克服巨大的水压和地质挑战。
3. 孩子们最喜欢去海洋馆看海底世界，五颜六色的鱼让他们兴奋不已。

用法指南

语境: oceanography, adventure, construction

语气: descriptive

正确说法

• 海底的压力非常大。(The pressure at the bottom of the sea is enormous.)
• 他梦想去探索海底世界。(He dreams of exploring the underwater world.)

错误说法

• 把浅水区也叫海底 (Don't call shallow waters 海底 — it implies deep ocean floor)

起源与历史

Compound of 海 (sea, ocean) + 底 (bottom). A straightforward term for the bottom of the sea.

文化背景

世代: All ages

社会背景: Universal