推理: reasoning, inference, to infer, to deduce...
体重: body weight...
可信: trustworthy...
钻研: to study meticulously, to delve into...
东: east...
提炼: to extract (ore, minerals etc), to refine, to purify, to process...
沿岸: coastal area, littoral or riparian...
方向盘: steering wheel...
媒体: media, esp. news media...
口头: oral, verbal...