master sergant的用法和样例：
例句
- As far as soldiers are concerned, they have their own ranks, such as Private, ecialist Sergeant, Master Sergeant.
就士兵而言，他们也有自己的军衔，如列兵，专业军士，军士长等。 - Following a long and distinguished career of service of military service, John retired from the USAF with the rank of Chief Master Sergeant.
在长期的杰出的军事服役生涯之后，约翰从美国空军的军士长级别退休下来。
