Operator hierachy
[电] 算子阶组
🧩 词语组成解析
🗣️ 情景例句
Harry Bennett. Is this Susan?
Harry Bennett，是Susan吗？
Never say of another what you would not have him hear.
莫说不想让人听见的话。
It is no use inviting the politician or the professional or business man,
同样也是无益的，对于政界人士、专业技术人员、商人来说，