insubstantial (adj.) insubordination (n.) insubordinate (adj.) instruments n.儀器；樂器；工具；器械v.用器械（或儀器）裝備；曏…提交文書instrumented n.儀器；樂器；工具；器械v.用器械（或儀器）裝備；曏…提交文書instrumentation (n.) instrumentary (adj.) instrumentalist (n.) instrumental (adj.) instrument (n.) instructs v.教；命令；指導；[計] 指示instructor (n.) instructive (adj.) instructions n.指令；教學；教誨；說明instructional (adj.) instruction (n.) instruction n. 指令，命令；指示；教導；用法說明instructing v.教；命令；指導；[計] 指示instructible (adj.) instruct (v.)