a chemical element. Hassium is produced when atoms crash into each other. (化学元素) Word Originmodern Latin, from Latin Hassias ‘Hesse’ (the German state); it was discovered in Darmstadt in 1984.
👨🏻🏫 Mr. Ng 牛津詞典 📚 – oxford.mister5️⃣.net
切換為繁體中文
📈 次瀏覽