Not Sealed Book, but a few simple English words.
不密封的书，但是一些简单的英国人字。
The origin of the universe is still a sealed book to us.
宇宙的起源对我们来说仍然是不可知的。
I know a little Russian, but this is a sealed book to me.
我懂一点俄语，但这种语言对我来说如天书一般难懂。
Books were beyond her interest — knowledge a sealed book.
她对书本不感兴趣，书本知识和她无缘。
The young generation was always something of a sealed book to Mr Smith.
史密斯先生始终无法了解年轻的一代。
But, alas, the book was still sealed.
但是，啊！这书卷还是封严了的。
But, alas, the book was still sealed.
但是，啊！这书卷还是封严了的。
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