Ph d
哲学博士
🧩 词语组成解析
氢离子指数\\n[医] 药典; 苯基
🗣️ 情景例句
Well, I began to think about you and about Michelle,
噢， 我开始想到你和Michelle
The fox is known by his brush.
狐狸只因尾巴大，所以人人认识他。
Is this a pen?
这是一支钢笔吗？