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
... and I do need some advice on a difficult problem.
……我的确有一个难题要请教你。
Which country do you come from?
你从哪一个国家来？
and of dark narrow streets full of petrol fumes and toxic gases,
和阴暗狭窄的街道组成