locum
noun (British English)a doctor or priest who does the work of another doctor or priest while they are sick, on holiday, etc.; the position of such a doctor or priest 代班医生；代理牧师 My usual doctor was away, so I saw a locum. 我的主治医生不在，所以我去看了医生。 She took early retirement, but continued to do locums. 她提前退休了，但仍继续吸毒。
Oxford Collocations DictionaryLocum is used before these nouns:- doctor
- GP