[ C or U ] a soft substance that is like a wet powder and consists of very small pieces of a solid material that have fallen to the bottom of a liquid沉淀物,沉渣
sand, stones, etc. that slowly form a layer of rock沉积物(最终形成一层岩石的砂子、石头等)
👨🏻🏫 Mr. Ng 劍橋詞典 📚 – cambridge.mister5️⃣.net
切換為繁體中文