Dead mail
死邮件，无投递地址的邮件
🧩 词语组成解析
dead
[dɛd]
adj. 死去的;完全的;无感觉的;呆板的;
adv. 完全地;非常;绝对;极度;
n. 死者;（死一样的）寂静;极寒时候;
mail
[mel]
n. 邮件，邮政;邮政（制度）;邮务员，邮递员;〈古〉袋，旅行包;
vt. 邮寄;给…穿盔甲;
vi. 投邮;
🗣️ 情景例句
His popularity has soared thanks largely to his TV appearances.
由于经常出现在电视上，他的知名度日趋上升。
I dialed the right number,but nobody answered.
我拨了正确的号码，但是任何人接。
there is no evidence that the total amount of activity is any less.
但没有迹象表明，其活动总量有任何减少。