Os lunatum

例句：

1. 1. The olive tree is a symbol of peace and harmony.
   橄榄树是和平与和谐的象征。
2. 2. The olive oil is one of the most popular cooking oils in the world.
   橄榄油是世界上最受欢迎的烹饪油之一。
3. 3. The olive tree is native to the Mediterranean region.
   橄榄树原产于地中海地区。