证明: proof, certificate, identification, testimonial, to prove, to testify, to confirm the truth of...
安定: stable, quiet, settled, stabilize, maintain, stabilized, calm and orderly...
媒体: media, esp. news media...
分数: (exam) grade, mark, score, fraction...
人行道: sidewalk...
喇叭: horn (automobile etc), loudspeaker, brass wind instrument, trumpet, suona...
分组: to divide into groups, group (formed from a larger group), subgroup, (computer networking) packet...
年薪: annual salary...
法规: legislation, statute...
温室: greenhouse...
