SSS 2009-08-06
时间：2019-01-08 作者：英语课 分类：Scientific American(八)月
Orchids 2 are botany's great mimics 3, all in the service of getting pollinated. Some have evolved to resemble female wasps 4 to attract males. Others produce odors that smell like potential mates or like more attractive flowers. Now a study published in the journal Current Biology adds another form of floral fabrication to this list: an orchid 1 that releases the exact same chemical compound that honeybees use to alert their hive mates.
Why? Because the bees are the favorite food of the larvae 5 of Vespa hornets. And when the orchid Dendrobium sinense sends out these false alarms, the hornets pounce 6 on the petals 7, thinking they’ll bring a bee dinner home to the kids. Instead they become unwitting pollinators.
Researchers were intrigued 8 by the hornets’ mysterious violent attacks on the orchids. They were able to isolate 9 the pheromone the flower uses to drive the hornets wild. The finding might find use in agriculture. The Vespa hornet is a big pest for commercial beekeepers. This research could help develop environmentally friendly, species-specific traps to control the Vespa population, and take the sting out of these problematic pollinators.
- The orchid is a class of plant which I have never tried to grow.兰花这类植物我从来没种过。
- There are over 35 000 species of orchid distributed throughout the world.有35,000多种兰花分布在世界各地。
- Wild flowers such as orchids and primroses are becoming rare. 兰花和报春花这类野花越来越稀少了。 来自《简明英汉词典》
- She breeds orchids in her greenhouse. 她在温室里培育兰花。 来自《简明英汉词典》
- Methods:Models were generate by CT scan,Mimics software and Abaqus software. 方法：采用CT扫描，Mimics软件和Abaqus软件的CAD进行三维有限元模型的创建。 来自互联网
- Relaxing the mind and body mimics the effect that some blood-pressure pills would have. 放松身心会产生某些降压药才能产生的效果。 来自辞典例句
- There's a wasps' nest in that old tree. 那棵老树上有一个黄蜂巢。
- We live in dread not only of unpleasant insects like spiders or wasps, but of quite harmless ones like moths. 我们不仅生活在对象蜘蛛或黄蜂这样的小虫的惧怕中，而且生活在对诸如飞蛾这样无害昆虫的惧怕中
- Larvae are parasitic on sheep.幼虫寄生在绵羊的身上。
- The larvae prey upon small aphids.这种幼虫以小蚜虫为食。
- Why do you pounce on every single thing I say?干吗我说的每句话你都要找麻烦？
- We saw the tiger about to pounce on the goat.我们看见老虎要向那只山羊扑过去。
- white petals tinged with blue 略带蓝色的白花瓣
- The petals of many flowers expand in the sunshine. 许多花瓣在阳光下开放。 来自《现代英汉综合大词典》
- You've really intrigued me—tell me more! 你说的真有意思—再给我讲一些吧！
- He was intrigued by her story. 他被她的故事迷住了。