instruction
/ɪnˈstrʌkʃən/noun
1
- （常作instructions）a direction or order指示; 命令：
he issued instructions to the sheriff
他给郡的长官下达命令
he was acting on my instructions.
他在执行我的命令。
1.1
instructions
Law directions to a solicitor or counsel, or to a jury【律】给初级律师（或辩护律师、陪审团）的指示。
1.2
- Computing a code or sequence in a computer program which defines an operation and puts it into effect【计算机】指令。
2
instructions
detailed information telling how something should be done, operated, or assembled使用（或操作）说明; 装配指南：always study the instructions supplied.
一定要研读所提供的操作指南。
3
- mass noun teaching; education教学; 教育：
instruction in the Roman Catholic faith.
（进行）罗马天主教教育。
派生词
instructional
adjective词源
late Middle English: via Old French from late Latin instructio（n-）, from the verb instruere （see INSTRUCT）.