单词:pollen flower
单词:pollen flower 相关文章
Passage 18 Flowering Plants What are the parts of a flower? Flowers can have male parts and female parts. The female parts make eggs that become seeds. The male parts make pollen. Pollen is a powdery material that is needed by the eggs to make seeds
What arc the parts of a flower? Flowers can have male parts and female parts. The female parts make eggs that become seeds. The male parts make pollen. Pollen is a powdery material that is needed by the eggs to make seeds. To make seeds, pollen and e
85 Plants Words Flower root stem trunk seed pollen fruit bark branch twig leaf bush jungle rainforest cactus desert savannah coniferous deciduous forest hardwood softwood blossom wood Cherry blossom rose petal bamboo Phrases Plant a tree Several spec
SCIENCE IN THE NEWS - Orchids Look Weak, But Many Are Stronger Than They Appear From VOA Learning English, this is SCIENCE IN THE NEWS in Special English. Im Christopher Cruise. And Im June Simms. Today we tell about the beauty and science of orchids
Yael: Don, are you eating my tulips? Don: Just having myself a little snack. Y: Of MY tulips? I brought those in here to brighten the place up, not for you to eat! And who eats flowers anyway? D: Have you seen that movie, Monsoon Wedding? There's a c
Broadcast: May 13, 2003 By Mario Ritter This is the VOA Special English Agriculture Report. Most people have heard the sound of bees among flowers. Bees live almost everywhere in the world--except the
BARBARA KLEIN: This is SCIENCE IN THE NEWS in VOA Special English. Im Barbara Klein. STEVE EMBER: And Im Steve Ember. Today we tell about the beauty and science of orchids, some of natures most interesting flowers. Orchids at the U.S. Botanic Garden
AS IT IS 2016-08-02 Smelly 'Corpse' Flower To Bloom in Washington, DC 尸臭魔芋花在华盛顿植物园盛开 This is What's Trending Today: A rare flower, called the titan arum, is about to blossom at the U.S. Botanic Garden. Unlike most flowers
AS IT IS 2016-03-28 Rare Flower Blooms at US Botanic Garden 罕见花朵在美国植物园盛开 A rare plant at the U.S. Botanic Garden in Washington D.C. is now in flower. The blue-green colored climbing plant is called the Jade vine. In the 20 yea
One kind has in its eye a little green knob just like the head of a pin; these are called pin-eyed. The other kind has a fringe of little yellow dust-spikes instead; such flowers are called thrum-eyed. 其中一种的眼中,有一个小小的绿球,
Lesson 75 Only A Weed 第75课 蒲公英 When the dandelion flowers have all received their supply of pollen, and their seeds are set or fully formed, 当蒲公英的花朵全部获得它们所需的花粉、种子也做好准备或者说完全成型之
Lesson 71 The Cherry-tree And Its Fruit 第71课 樱桃树及其果实 The cherry-tree is a small tree which grows to a height of about twenty feet. Its stem is covered with a smooth brown bark, and its green leaves have saw-like edges, somewhat like
In spring, some hollow flower-stalks grow up from the centre of the rosette of leaves. Each stalk bears what looks like one large yellow flower. But if you pull one of these flower-heads to pieces, you will find that it is really made up of a great m
If you cut this seed-vessel across with a pen-knife, you will find inside it some tiny young green seeds. 用一把小刀将这个种皮切开,就能看到里面尚未成熟的绿色小种。 Within the flower of the snow-drop you can see some gree
Walk through Times Squareyou're bombarded with advertising. And it turns out, a bumblebee might have a similar feeling, buzzing through a field of flowers. So these flowers are these billboards, they're advertising a good, this delicious nectar rewar
Yael: Don, are you eating my tulips? Don: Just having myself a little snack. Y: Of MY tulips? I brought those in here to brighten the place up, not for you to eat! And who eats flowers anyway? D: Have you seen that movie, Monsoon Wedding? There's a c
AGRICULTURE REPORT - All About the Birds and the Bees -- No, Just the Bees By Mario Ritter Broadcast: Tuesday, December 20, 2005 I'm Steve Ember with the VOA Special English Agriculture Report. Most p
As the flower's heat increases, a cloud of odor rises up. The foul perfume carries far and wide. It doesn't go unnoticed. Carrion beetles arrive on the scene. The beetles come in search of a feast of warm decaying flesh, but they've been tricked. Sli
Coextinction 绝种是指生物群体逐渐消失的过程。物种和较大族群常态性的灭绝,并由更进步的形式所取代,这是进化的正常过程。然而,从化石的记录来看,有时会出现整个科目的动物和植物都