specialist in的用法和樣例：
例句
- An advocate of or a specialist in eugenics.
優生學家優生學方面的專家或倡導者 - A specialist in forensic medicine was called as a witness in the murder trial.
在那樁謀殺案的審理中，一名法醫專家被召來作證。 - A specialist in the theory and practice of education.
教育家教育理論和實踐方面的專家 - If possible, you are expected to train our specialist in your training center.
如果可能的話，希望能在貴方的培訓中心訓練我方專業人員。
