Invalid instruction
[计] 无效指令
🧩 词语组成解析
invalid
[ɪn'vælɪd]
adj. 无效的;不能成立的;有病的;病人用的;
vt. 使伤残;使退役;失去健康;
n. 病人，病号;残废者;伤病军人;
vi. 变得病弱;因病而奉命退役;
in不+val强壮+id...的→虚弱的；病人
🗣️ 情景例句
It was a pretty dumb thing to do.
做那件事真傻。
He devoted himself completely to his work.
他完全投身于工作。
How would you go to Beijing, by air or by train?
你怎样去北京，是乘飞机还是坐火车？