Undeliverable
a. 无法投递的, 无法送达的
🗣️ 情景例句
I know you miss your mother.
我知道你想念你妈妈。
I lift weights all day long. I can't think but that I'm healthy.
我一整天都在举重，健康至上嘛。
Summer holidays will begin next month.What are you going to do?
下个月暑假就开始了。你有什么打算？