instrument在作“器具,仪器”解时指一种用于科学或艺术的人造器具,通常不具备动力。

All surgical instruments must be sterilized before use.所有的外科手术器械在使用之前,必须消毒。
The pilot studied his instruments anxiously.飞行员焦虑地把他的各种仪器仔细查看了一番。
He can play piano, violin and several other instruments.他会演奏钢琴、小提琴及其他几种乐器。
He did not himself kill the prisoner; the jailer was his instrument in the murder.他没有亲手杀死犯人,监狱看守在这起凶杀案中充当了他的工具。
The President signed the instrument of abdication.总统签署了退位的文告。

instrument, apparatus, implement, machine
参见machine条。

［同义词］   equipment, tool
［词源］＜拉丁语instruere(制造的器具)