マッハ数 じゃありません
mahhasūjārimasen
1. It is not Mach number.; It's not a Mach number.
Noun
#293522
1. It is not Mach number.; It's not a Mach number.
1. several years; a few years
1. suit (clothing)
2. suit
1. a few years ago; some years back
1. several times; a few times
1. several months
1. number of days
1. (common) cold; influenza
1. to count; to enumerate