institution

n.创立，建立；惯例，制度；社会公共机构

instalment plan, instance, instant, instantaneous, instantaneously, instantly, instate, instead, instead of, instep, instigate, instigation, instigator, instil (US instill), instill, instillation, instinct, instinctive, instinctively, institute, institutionalize, instruct, instruction, instructional, instructions, instructive, instructively, instructor, instrument, instrumental, instrumentalist, instrumentality, instrumentation, insubordinate, insubordination, insubstantial, insufferable, insufferably, insufficiency, insufficient,