北美航司基本不用master这个称谓来特指未成年男孩了。
比如加航注册会员有master这个title, 但是指职务,与Capt, Judge, prof并列。
Prefix/Title Abbreviations
General
Deion Abbreviation
Brother Bro
Chaplain Chap
Doctor Dr
Father Fr
Judge Jud
Miss Miss
Mister Mr
Missus/Madam Mrs
Ms Ms
Professor Prof
Rabbi Rabbi
Reverend Rev
Senator Sen
Sister Sr
The Honorable The Hon Representative, Mayors, Judges
Military
Rank Army Navy/
Coast Guard Marines Air Force
Admiral ADM
Brigadier General BG Bgen Brig Gen
Captain CPT CAPT Capt Capt
Chief Warrant Officer CWO CWO CWO
Colonel COL Col Col
Commander CDR
Corporal CPL Cpl
Ensign ENS
First Lieutenant 1LT LTJG 1st Lt 1st Lt
General GEN Gen Gen
Lieutenant LT
Lieutenant Colonel LTC Lt Col Lt Col
Lieutenant Commander LCDR
Lieutenant General LTG Lt Gen Lt Gen
Lieutenant (Junior Grade) LTJG
Major MAJ Maj Maj
Major General MG Maj Gen Maj Gen
Master Sergeant MSG MSgt MSgt
Rear Admiral RADM
Second Lieutenant 2LT 2nd Lt 2nd Lt
Sergeant SGT Sgt Sgt
Vice Admiral VADM