He says the works there-which have included shoring up a stone retaining wall and restoring an outdoor stone altar-were not only necessary, but a feat.

他说那里的施工——包括加固一面石头护墙，整修一个室外的石头祭坛——不仅必须，而且称得上壮举。

youdao

The temple of heaven has outer wall and the altar, the north is round compound has wall, the south is square, take meaning nature round place.

天坛有外坛墙和内坛墙，北面是圆形，南面是方形，取意天圆地方。

youdao

Almost 25 years later, Pope Paul III asked Michelangelo to paint the wall of the Sistine Chapel above the altar.

大约25年后，教皇保罗三世任命米开朗基罗为西斯廷教堂祭坛上方的墙壁作画。

youdao

Almost twenty-five years later, Pope Paul the Third asked Michelangelo to paint the wall of the Sistine Chapel above the altar.

VOA: special.2010.02.03