Has there been an important invention recently?
近来有项重要的发明吗？
It was two years ago that he made an important invention.
他是两年前做的这个重要的发明。
The invention story was an important part of the invention itself.
发明故事是发明本身重要的一部分。
Brush painting, the invention of the painting is an important milestone in the history.
内画毛笔的发明，是内画艺术史上一个重要的里程碑。
This invention played an incalculably important role in the spread of culture.
造纸术的发明，对人类文化的传播起到不可估量的作用。
This invention played an incalculably important role in the spread of culture.
造纸术的发明，对人类文化的传播起到不可估量的作用。
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