A vet is someone who is qualified to treat sick or injured animals.
N-COUNT
退伍軍人;老兵;老戰士
A vet is someone who has served in the armed forces of their country, especially during a war.
例句
The New England Shelter in Boston will serve Christmas dinner for 200 vets...波士頓的新英格蘭收容所將為200名老兵提供圣誕晚餐。All three are Vietnam vets.這三位都是越戰老兵。
VERB
檢查;審查
If something is vetted, it is checked carefully to make sure that it is acceptable to people in authority.
例句
He can find no trace of a rule requiring research to be vetted before publication...他找不到任何要求研究成果在發表前需經審查的規定。All objects are vetted by a distinguished panel of experts...所有物品都交由一個著名的專家小組檢查鑒定。
VERB
（尤指對將要從事涉及軍事或政治機密工作人員的）調查，審查，考查
If someone is vetted, they are investigated fully before being given a particular job, role, or position, especially one which involves military or political secrets.
例句
She was secretly vetted before she ever undertook any work for me...她在為我工作以前曾受到過秘密考查。People who marry into the Royal Family will have to be vetted much more carefully in future.那些與皇室成員結婚的人未來將受到更細致的調查。