Tra từ MST - Từ điển WordNet v3.1

Từ điển WordNet v3.1 - WordNet Dictionary

MST

noun

standard time in the 7th time zone west of Greenwich, reckoned at the 105th meridian west;
used in the mountain states of the United States
• Syn:
Mountain Time, Mountain Standard Time
• Hypernyms:
civil time, standard time, local time