词根是instruct ，instruction中文意思是n. 用法说明指示，吩咐教授，指导（计算机的）指令，命令给初级律师（或辩护律师、陪审团）的指示
Two lawyers were told not to leave the building but no reason for this instruction was given.两位律师被告知不要离开这座建筑，但没被告知这一指示的原因。
instruction的词根
instruct n 指导，教导(in进+struct→[把知识]建立进去→指导)
instruction n 教导，指导(in+struct+ion)
