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.

youdao

一般说来，罗马起初不用棺葬，当他们使用棺材时，多数用的还是木材制的。

Romans as a rule were not buried in coffins to begin with and when they did use coffins, they were mostly wooden.

youdao

美国的诸位开国元勋都支持罗马共和制，詹姆斯·约翰逊和亚历山大·汉密尔顿对此更是尤为推崇。

America's Founding Fathers, especially James Madison and Alexander Hamilton, backed the Romans.

youdao

So Roman slavery and the freedom of that was actually one way that a few people in the Ancient World recognized some kind of social mobility, which was very rare in the Roman Empire.

所以罗马奴隶制以及奴隶释放制,被古代部分人认为是,某种社会阶级流动，在罗马帝国很少见。

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