abbreviation lm physics a unit for measuring the amount of light something produces(光的单位)流明
plural lumina or lumens medical the inside space of a tube-shaped organ in the body, for example a blood vessel or intestine(身体内的)腔
👨🏻🏫 Mr. Ng 劍橋詞典 📚 – cambridge.mister5️⃣.net
切換為繁體中文