Neptunic acid
[化] 镎酸
🧩 词语组成解析
🗣️ 情景例句
She's really a good friend, isn't she?
她真是我的好朋友，不是吗？
That's a book.
那是一本书。
You and Lily must come over to my house and see!
你和莉莉应该到我家来看看！