merchant marine, merchant navy

the merchant ships and seamen of a country collectively （一国的）商船及船员（总称）.

mental patient, mentality, mentally, menthol, mentholated, mention, mentor, menu, MEP, mephistophelean, mercantile, mercantile marine, Mercator's projection, Mercedes, mercenary, mercerize, mercerise, merchandise, merchandising, merchant, merchant bank, merchant seaman, merchant ship, merchant shipping, merciful, mercifully, merciless, mercilessly, mercurial, Mercury, mercy, mercy killing, mere, merely, meretricious, meretriciously, meretriciousness, merge, merger, meridian, meridiem, meridional,