自发: spontaneous...
图片: image, picture, photograph...
警官: constable, police officer...
治学: scholarship, high-level study, to do scholarly research, to pursue a high level of study...
高新技术: high and new technology, advanced technology, innovative and high technology...
音响: sound, acoustics, audio, hi-fi system, stereo sound system, abbr. for...
膜: membrane, film...
驾照: driver's license...
后台: backstage area, behind-the-scenes supporter, (computing) back-end, background...
考核: to examine, to check up on, to assess, to review, appraisal, review, evaluation...
