Invalid call
[计] 无效呼叫
🧩 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
call
[kɔl]
v. 呼唤，喊叫;召唤，叫来，召集;下令，命令;打电话给;
n. 喊叫，大声喊;电话联络;必要，理由;要求;
🗣️ 情景例句
But your L C must reach us 30 days before delivery.
但交货前30天，我们必须要收到你们的信用证。
Please try to elucidate the facts.
请清楚的说明事实真相。
I have had several conversations with him.
我已经和他谈过几次了。