Ph. d.
哲学博士\\n[医] 德国药典
🗣️ 情景例句
Where do you work?
你在哪儿工作？
A fox may grow grey, but never good.
狐狸会变，但本性难移。
Oil rigs have to be repaired frequently and divers,who often have to work in darkness a hundred feet under water,
钻井平台需要经常修理，潜水员常常要在水面100英尺以下摸黑工作，