对不起,我之前没能给你回信,但我最近一直很忙。

对不起,我之前没能给你回信,但我最近一直很忙。

I'm sorry I couldn't write back to you before but I've been very busy lately.

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I'm sorry I couldn't write back to you before but I've been very busy lately.

lately 是副词,由形容词 late(迟的、晚的)加上后缀 -ly 构成,表示"最近、近来"的意思。

在 App 中完整学习这张卡片

在 App 中学习