Mail slot
= letter box (1)
🧩 词语组成解析
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;
slot
[slɑt]
n. 位置;狭槽，水沟;[人名] 斯洛特;硬币投币口;
vt. 跟踪，跟着足迹追赶;开槽于;
🗣️ 情景例句
to serve the senior citizens
为Riverdale的老年人
He knows much who knows how to hold his tongue.
懂得缄默的是明白人。
What's your favorite food?
你最喜欢的食物是什么？