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> 在線聽力 > 英語高級聽力 > 英語聽力:自然百科 >  第169篇

英語聽力:自然百科 生命之樹

所屬教程:英語聽力:自然百科

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2016年10月10日

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掃描二維碼方便學習和分享
https://online2.tingclass.net/lesson/shi0529/0009/9849/169.mp3
https://image.tingclass.net/statics/js/2012
Sycomore figs are found throughout tropical Africa. In Southern Kenya they thrive along river banks.

This is the story of one of those trees.

Our African queen is a mature sycomore fig. She started life as a seed one hundred years ago.

She provides for many animals. To some, she is a hunting ground; to others, she is home. She feeds a greater variety than any tree in Africa. All rely on her tiny fig wasp partner that only a few even notice.

Every few months, the queen produces up to a ton of fruit. To reproduce, she must transferpollen to make seeds and then disperse them inside the figs. The last crop fell only days ago. But up above, she is starting again.

Over the next two weeks, the tiny buds swell to become young figs.

Hidden inside each are the queen’s tiny flowers. At this stage a fig is not a fruit, but a secret garden whose delicate perfume attracts a flock of fig wasps. Their arrival will trigger a sequence of events that will resonate out through the bush.

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