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我刚才丢了我的化学书。
I lost my chemistry book just now.
youdao
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我刚刚丢了我的化学书。
I have just lost my chemistry book.
youdao
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我今天不开心，我弄丢了最喜爱的书。
I'm feeling down today. I lost my favorite book.
youdao
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我把约翰的书丢了，我向他道歉。
I apologized to John for losing his book.
youdao
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我丢了我的科技书。
I've lost my science book.
youdao
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我刚刚丢了我的化学书。
I've just lost my Chemical book.
youdao
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我刚刚丢了我的化学书。
I've just lost my Chemical book.
youdao