Defease
vt. 使作废，废除(合同、契约等)：
🗣️ 情景例句
Yes. They reached us yesterday.
是的，昨天我们收到这批货物。
Can you help me out? I'm trying to find a post office.
你能帮我个忙吗？我想找个邮局。
She knew that it must be the baker.
她知道来了一定面包师。