instrument

instrument
noun

a tool or implement, especially one for delicate or scientific work
（尤指精密或科学）仪器，器具
a surgical instrument.
外科器械。
instruments of torture.
刑具。
writing instruments.
写字工具。
■a thing used in pursuing an aim or policy; a means
手段，方法
drama as an instrument of learning.
作为学习手段的戏剧。
■a person who is exploited or made use of
被利用的人，工具
he was a mere instrument acting under coercion.
他只是被迫做事的工具。
a measuring device used to gauge the level, position, speed, etc. of something, especially a motor vehicle or aircraft
（尤指机动车或飞机的）仪器，仪表
(亦作musical instrument)an object or device for producing musical sounds
乐器
a percussion instrument.
打击乐器。
a formal document, especially a legal one
（尤指法律）公文，文书
execution involves signature and unconditional delivery of the instrument.
公文需签署并无条件送达才能执行。

verb

语源

Middle English: from Old French, or from Latin instrumentum 'equipment, implement', from the verb instruere 'construct, equip'

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