| 释义 |
- Places
- Rifles
- Tranquilizer
M99 or M-99 may refer to: Places- M-99 (Michigan highway), a state highway in south central Michigan
- Messier 99, an unbarred spiral galaxy approximately 60 million light-years away in the constellation Coma Berenices
Rifles- Barrett M99, a sniper rifle
- Zijiang M99, a Chinese anti-materiel rifle
Tranquilizer- Etorphine (a.k.a. Immobilon or M99), a veterinary tranquilizer
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