Registered mail
公共 Public[经] 挂号邮件
🧩 词语组成解析
registered
['redʒistəd]
adj. 注册的;登记过的;已挂号的;（动物）附有血统证明的;
v. 记录;登记;注册;显出;
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
I'm heading off for bed
我先去睡觉了
It's been a bad day.
今天糟透了。
The bridge has been washed away by the floods.
桥已经被洪水冲走了。