firsthandadj.直接得来的；第一手的adv.直接地
firstadj.第一的；最初的adv.首先；第一n.最初；(序数词)第一
First Aid Mechanical Transport Outfit抢修机械运输装备
First self-designed digital TV chip首个自行设计的数码电视芯片
First-Level Spatial Governance Area一级空间管治区
First Cross-Strait Fair of Creative首届海峡两岸创意市集
first order derivative chromatography一阶导数光谱法
First- derivative spectrophotometry一阶导数光谱法
First Criticality Physics Calculation初次临界物理计算
First impressions are most lasting.[谚]最初的印象最深刻。
First contact miscible flooding drive一次接触混相驱
First imporssions are most lasting.第一印象是最耐久的。
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