Radix linguae

例句：

1. 1. The study of Latin is essential for understanding the history of Western civilization.
   学习拉丁语对于理解西方文明的历史至关重要。
2. 2.The roots of this theory lie in ancient Greek philosophy.
   这一理论的根源可以追溯到古希腊哲学。
3. 3. The foundation of our company was laid in the early days of its establishment.
   我们公司的基石是在成立初期奠定的。