The rack is an implement of torture.
【考法1】n. 工具： a device used in the performance of a task
【例】 gardening implements such as hoes, spades, and pruners 诸如锄头、铲子和修枝剪一类的园艺工具
【近】 apparatus, device, instrument, tool, utensil
【考法2】v. 执行，实施： to put into practical effect; carry out
【例】 implement the new online application procedures 实行新的网申程序
【近】 administer, apply, effect, enforce, execute, invoke, perform ;
【反】 cancel, repeal, rescind, revoke 撤销
【派】 implementation n. 执行，履行