Invalid vourcher
[经] 无效证件, 无效保证, 无效凭单
🧩 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
That's something I'd rather not talk about just now.
这些事我现在不想谈论。
Is there any discount for the USA Railpass?
火车通行证有折扣吗？
She looked everywhere for him but could not find him.
四处寻找，但没有找着。