听力: hearing, listening ability...
科普: popular science, popularization of science, abbr. of...
诉苦: to grumble, to complain, grievance...
经典: the classics, scriptures, classical, classic (example, case etc), typical...
国有: nationalized, public, government owned, state-owned...
确信: to be convinced, to be sure, to firmly believe, to be positive that, definite news...
境外: outside (a country's) borders...
摩托: motor (loanword), motorbike...
治学: scholarship, high-level study, to do scholarly research, to pursue a high level of study...
安宁: peaceful, tranquil, calm, composed, free from worry...
