研制: to manufacture, to develop...
物体: object, body, substance...
忙乱: rushed and muddled...
一心一意: concentrating one's thoughts and efforts, single-minded, bent on, intently...
对: couple, pair, to be opposite, to oppose, to face, for, to, correct (answer), to answer, to reply, to direct (towards sth), right...
定做: to have something made to order...
方案: plan, program (for action etc), proposal, proposed bill...
半信半疑: half doubting, dubious, skeptical...
通畅: unobstructed, clear...
专卖店: specialty store...
