molluscs

molluscs — noun

1. animals including oysters, snails, squid, and slugs that do not have a backbone;

1.名詞B2
釋義

animals including oysters, snails, squid, and slugs that do not have a backbone; their bodies are soft, and many kinds grow a shell around them

例句

Tomás found tiny molluscs stuck to the rocks at low tide.

common sea-life context: molluscs on rocks at low tide

Dahlia learned that octopuses and snails are both molluscs in science class.

classification: octopuses and snails as molluscs

同義詞
  • mollusks

    American spelling of the same scientific term

  • shellfish

    broader everyday term mainly used for edible sea animals and also includes crustaceans

  • invertebrates

    much broader biological group that includes many animals besides molluscs

用法筆記

Usually used in science, museum, or classroom contexts rather than in casual conversation. In everyday English, people often name the smaller groups instead, such as snails, oysters, clams, or squid.

常見錯誤

❌Crabs and lobsters are molluscs.
✅Crabs and lobsters are crustaceans, not molluscs.
💡Molluscs include animals like snails, clams, and squid, but not crabs or lobsters.
❌An octopus has bones because it is not a mollusc.
✅An octopus is a mollusc and has no backbone.
💡Even shell-less members of this group are invertebrates.