biodegradable

biodegradable — adjective

1. able to break down naturally into harmless material instead of remaining as wast

1.形容詞B2
釋義

able to break down naturally into harmless material instead of remaining as waste.

例句

These shopping bags are biodegradable and break down after a few months.

collocation: biodegradable bags

The cafe switched to biodegradable cups for the beach festival.

collocation: biodegradable cups

同義詞
  • compostable

    narrower; used for materials that break down safely in composting conditions

  • degradable

    broader and less exact; something can degrade without becoming harmless natural material

  • decomposable

    fairly close in meaning, but less common in everyday product labels

反義詞

文法句型

be biodegradable

biodegradable + bag

biodegradable + cup

biodegradable + material

biodegradable + packaging

用法筆記

Usually describes packaging, bags, cups, films, and other materials rather than actions or people. Often appears in environmental contexts and is commonly contrasted with 'plastic' or 'non-biodegradable' products.

常見錯誤

❌These cups can biodegradable.
✅These cups are biodegradable.
💡'biodegradable' is an adjective, so use it after 'be'.
❌This box is recyclable, so it is biodegradable.
✅This box is biodegradable.' or 'This box is recyclable.
💡'recyclable' and 'biodegradable' describe different environmental qualities.