Neptunic acid
[化] 镎酸
🧩 词语组成解析
🗣️ 情景例句
A journey of a thousand miles begins with a single step.
千里之行，始于足下。
If you insist.
恭敬不如从命。
A man was lying in the box on top of a pile of woolen goods.
箱内有一个人正躺在一堆毛织品之上。