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
Where's the bag with the chicken salad sandwiches?
放鸡肉沙拉三明治的袋子在哪？
He that knows not how to hold his tongue knows not how to talk.
不知缄口的不善言。
Errors and uncertainties multiply, cascading upward through a chain of turbulent features,
错误和不可靠性上升，接踵而来的是一系列湍流的微状，