英语听力:自然百科 生命之树
时间:2014-04-28 06:40:56
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(单词翻译)
Sycomore figs2 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
fig1. 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
wasp3 partner that only a few even notice.
Every few months, the queen produces up to a ton of fruit. To reproduce, she must transfer
pollen4 to make seeds and then
disperse5 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
swell6 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
wasps7. Their arrival will trigger a sequence of events that will resonate out through the bush.
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