持续: to continue, to persist, to last, sustainable, preservation...
诗人: bard, poet...
崩溃: to collapse, to crumble, to fall apart...
常规: code of conduct, conventions, common practice, routine (medical procedure etc)...
阴天: cloudy day, overcast sky...
谜底: answer to a riddle...
互访: exchange visits...
试验: experiment, test, to experiment, experimental...
月票: monthly ticket...
出售: to sell, to offer for sale, to put on the market...
