instrument

名词 instrument:

a device that requires skill for proper use

the means whereby some act is accomplished

同义词：tool

a person used by another to gain an end

同义词：pawn, cat's-paw

(law) a document that states some contractual relationship or grants some right

the semantic role of the entity (usually inanimate) that the agent uses to perform an action or start a process

any of various devices or contrivances that can be used to produce musical tones or sounds

动词 instrument:

equip with instruments for measuring, recording, or controlling

write an instrumental score for

address a legal document to