这封信是昨天邮寄到的。
This letter arrived by post yesterday.
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by英 /baɪ/|美 /baɪ/
post英 /pəʊst/|美 /poʊst/
This letter arrived by post yesterday.
This letter arrived by post yesterday.
This letter arrived by post yesterday.
在 App 中完整学习这张卡片
在 App 中学习