罗马人执着于团结和凝聚力很可能起源于罗马的早期发展模式。
The source of Roman obsession with unity and cohesion may well have lain in the pattern of Rome's early development.
情人节可能起源于古罗马的牧神节。
Valentine's Day may come from the ancient Roman feast of Lupercalia.
玻璃的起源可以追溯到公元前3500年，但直到2000年前的罗马帝国，吹制玻璃的艺术和玻璃的实际使用才变得更加广泛。
The origins of glass date back to 3,500 BC but it wasn't until the Roman Empire, 2,000 years ago, that the art of glass-blowing and the practical uses of glass became more widespread.
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