英语语法分析

So far we have been talking all semester about restoring and preserving pieces of art, like ancient frescos, early oil paintings, etc.

到目前为止，我们整个学期都在讨论如何修复和保护艺术品，比如古代壁画、早期油画等等。

The frescos in the Sistine Chapel are world-famous.

西斯廷教堂的壁画举世闻名。

Tempera was used to paint frescos hundreds of years ago.

数百年前蛋彩画颜料被用来画壁画。