Undeliverable
a. 无法投递的, 无法送达的
🗣️ 情景例句
They smell wonderful.
闻起来很香。
That is a very agreeable idea.
那是很棒的创意。
we are now pretty certain the Earth is the only one on which life can survive.
我们目前可以肯定的是，地球是生命能存在的唯一行星。