Undeliverable
a. 无法投递的, 无法送达的
🗣️ 情景例句
You've got the wedding-day jitters!
已经得了婚礼紧张症了！
Quick! Seize that child before she falls down.
快！趁还没掉下去，快抓住那孩子。
Now she looks pale as if she were ill.
现在她脸色难看，好像病了一样。