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na. 邮筒；邮筒槽口；秘密通信地址\\n
🗣️ 情景例句
I remember your parents' first house very well.
我还清楚记得你父母的第一栋房子。
A wise man thinks all that he says,a fool says all that he thinks.
聪明人想了才说，愚笨的人想着就说。
That's right. I remember now.
对了。我现在想起来了。