echolocation

IPA/ˌekəʊləʊˈkeɪʃn/
KK[ˌɛkolokˈeʃən]IPA/ˌekəʊləʊˈkeɪʃn/

echolocation — noun

1. a biological ability that some animals have to sense their surroundings by sendi

1.名詞C1
釋義

a biological ability that some animals have to sense their surroundings by sending out high-pitched sounds and listening to the echoes that bounce back from objects or creatures around them

例句

Bats rely on echolocation to hunt for insects in the dark.

Aoi's biology project showed how dolphins use echolocation to track fish in cloudy water.

possession: Aoi's + noun; use echolocation to + verb

同義詞
  • biosonar

    the technical scientific term for the same ability, formed from bio- (life) + sonar; less common in everyday English but frequent in research papers

  • sonar

    a human-made technology that works on the same principle; not used to describe animals, only machines (submarines, boats, fish finders)

文法句型

echolocation + noun (as modifier — e.g. echolocation system)

use echolocation

rely on echolocation

用法筆記

Echolocation is an uncountable noun — do not use a or an before it. The verb form echolocate exists but is rare; most writing uses the noun with a verb such as use, rely on, or depend on.

常見錯誤

❌Dogs use echolocation to find their toys.
✅Bats and dolphins use echolocation, but dogs do not
💡they rely on their sense of smell and hearing.' — Echolocation is a specialised ability found only in certain animals such as bats, dolphins, whales, and some cave-dwelling birds.