The olive tree has always been a valuable source of food and oil.

橄榄树一直是宝贵的食物和石油来源。

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In ancient Greece, for example, anyone who cut down an olive tree was heavily punished.

例如，在古希腊，任何砍倒橄榄树的人都会受到严厉的惩罚。

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It was the Romans who grew the olive tree in the rest of southern Europe and northern Africa.

是罗马人在南欧和北非的其他地区种植了橄榄树。

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Fourteen hours after their initial descent, the two tree-sitters, a male and a female who goes by the name "Olive, " left their tree-top roosts after speaking with Celaya.

CNN: In Oak Grove, three tree-sitters remain

The centre-left Olive Tree coalition is more popular than it has ever been.

ECONOMIST: Italy

As voting day approaches, Silvio Berlusconi's centre-right House of Liberties coalition is maintaining a clear lead in opinion polls over Francesco Rutelli's centre-left Olive Tree Alliance.

CNN: Italy's radicals raise clone debate