instrument

n.仪器，器械，工具；乐器

instep, instigate, instigation, instigator, instil (US instill), instill, instillation, instinct, instinctive, instinctively, institute, institution, institutionalize, instruct, instruction, instructional, instructions, instructive, instructively, instructor, instrumental, instrumentalist, instrumentality, instrumentation, insubordinate, insubordination, insubstantial, insufferable, insufferably, insufficiency, insufficient, insufficiently, insular, insularity, insulate, insulated, insulating, insulating tape, insulation, insulator,