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first-hand：直接得来的

first-hand field experience 第一手现场经验 | first-hand 直接得来的 | first-in first-out method 先入先出法

first-line management：低级管理阶层

first-in first-out method 先入先出法 | first-line management 低级管理阶层 | first-look analysis method 初视分析法

first-line management：低级治理阶层

first-in first-out method 先入先出法 | first-line management 低级治理阶层 | first-look analysis method 初视分析法

first midst and last：彻头彻尾, 始终, 一贯

First come, first served. [谚]先到先接待. | first, midst and last 彻头彻尾, 始终, 一贯 | first, last and all the time [美]始终一贯, 绝对

First feelings are always the most natural：第一感觉总是最自然的

. First come first served. 先到先得. | . First feelings are always the most natural. 第一感觉总是最自然的. | . First impressions are most lasting. 最初的印象最持久.

first served：先到者优先

prior informed consent procedure;事先知情的同意程序;PIC; | prior tempore, prior jure: first in time, first by right; first come, first served;先到者优先;; | prior treaty;先前条约;先订条约;;

first aid carbines：急救箱

first aid box = first-aid box 急救箱 | first aid carbines 急救箱 | first aid injury 急救创伤

first framing number; first transverse number：第一肋数

底漆 first coat of paint | 第一肋数 first framing number; first transverse number | 第一数 first number

first hand tap：初攻丝锥,头锥

first half of fruiting stage ==> 结荚成熟前期 | first hand tap ==> 初攻丝锥,头锥 | first in system-first served rule (FISFS) ==> 先到期先做规则

prior tempore：先到者优先

prior informed consent procedure;事先知情的同意程序;PIC; | prior tempore, prior jure: first in time, first by right; first come, first served;先到者优先;; | prior treaty;先前条约;先订条约;;

binocular diplopia：双目双像

binocular colour mixing 双目混色 | binocular diplopia 双目双像 | binocular dixation 双眼注视,双眼视轴交会

sceptically：怀疑地 (副)

sceptical 习惯怀疑的 (形) | sceptically 怀疑地 (副) | scepticism 怀疑论, 怀疑主义 (名)