you must have forgotten
你一定是忘了
以上为机器翻译结果，长、整句建议使用 人工翻译 。
It is my birthday today. You must have forgotten.
今天是我的生日。你一定忘了。
youdao
I guess you must have forgotten my books in the classroom.
我想你一定把我的书忘在教室里了。
You must have forgotten the contents of the book, and you may not have space to search it now.
你一定忘记这圣书的内容了，而你现在也许没工夫去查。
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