letterbox的例句（letterbox在句子中的用法）

• I personally saw him put the letter into the letterbox. 我亲眼看见他把信投送到信箱里.
• Peep through the letterbox and see if anyone is at home. 透过信箱看家中是否有人.
• On a cold day there can be quite a draught from the letterbox. 天冷的时候能明显感觉到从信箱那边吹来的过堂风。