noun底部,底座;总部,大本营;军事基地;(支持、权力或金钱的)来源,基础
verb以…为基础;总部设在…,以…为大本营
nounthe bottom part of something; the part that something stands on
nounthe main place where you live; a company’s main office
nouna place where people in the army, etc. live and work
nounthe people or activity from which somebody or something gets most of their support, power or money
verbIf one thing is based on another thing, it uses it as a starting point
verbIf a person or a company is based in a place, that is where they have their main home or office