单词:convergent lady beetle
- convergent趋集于一点的...
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By Mario Ritter Broadcast: November 4, 2003 This is Steve Ember with the VOA Special English Agriculture Report. There are lots of insects that farmers hate. But there also are some they like. These p
Evoking images from the liquid metal and nearly unstoppable Terminator from the movies, BAE Systems has posted concept video footage of a process to create drones of the future. 近日,BAE系统公司发布的一份概念视频展示了未来制造无
ROBERT SIEGEL, HOST: Biologist Jonathan Losos and I have at least one thing in common - we were both blown away by the late paleontologist Stephen Jay Gould's 1989 book Wonderful Life. Gould saw evolution as being all about odd contingencies, acciden
AGRICULTURE REPORT - Biological Controls, Part 1 By Mario Ritter Broadcast: Tuesday, April 13, 2004 This is Steve Ember with the VOA Special English Agriculture Report. Biological controls are living
AGRICULTURE REPORT - Insects Eating Your Crops? Call on a LadybugBy Mario Ritter Broadcast: Tuesday, April 11, 2006 I'm Steve Ember with the VOA Special English Agriculture Report. There are lots of i
When you arrive in New Zealand, people from Biosecurity check that do not bring any food with you. Because we are an island country, we try to keep out pests from other countries. We are not always successful though. Listen to September 25th 2008 for