Registered letters
[经] 挂号信件
🧩 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;
letters
[[letəz]]
n. 字母；书信；读者投书栏（letter的复数）
🗣️ 情景例句
Uh ... I give up.
嗯……我放弃猜。
Why was only he exempted from work?
为什么只有他不必工作呢？
Instead, I saw that they had discovered a new route.
结果却发现它们又找到一条新的路径。