His re-creation of the city is credible, with a substratum of fact to bolster the fiction.
他对该城历史的再现是可信的，虚构的小说情节隐念着一些事实作为支撑。
柯林斯例句
The best nutrition supply was basic substratum mixed with rapeseed cake liquid.
营养供给以基本基质加菜籽饼水液为佳.
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The story has a substratum of truth.
这故事有事实的基础.
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