Undeliverable
a. 无法投递的, 无法送达的
🗣️ 情景例句
I am, too. But didn't you just get on?
我也是。可是，你不是刚上车的吗？
He who does not rise early never does a good day's work.
起身不早，一天的工作难做好。
He sends me interesting postcards from the ports where the ship stops.
他还从船停泊的海港给我寄来了明信片。