Nitronium
硝离子
🗣️ 情景例句
Where's the ticket counter?
售票处在哪儿？
If you concentrate all your energies on the study of English, you will master the language.
你若全力以赴地学习英语，你会掌握这门语言的。
Lake Baikal is the deepest of all the lakes in the world.
贝加儿湖是世界上最深的湖泊。