n.革命;变革;旋转;
例句:
a cultural/social/scientific, etc. revolution
文化、社会、科学等的重大变革
The tide of revolution is surging ahead.
革命的洪流奔腾向前.
The earth makes one revolution around the sun in about 365 days.
地球约在365天内绕太阳公转一次.