| 1. | An isolated mountaintop in central mexico is covered each winter with orange-and-black monarch butterflies . 每到冬天,墨西哥中部的一座孤山顶上就栖满一种橙褐色的大蝴蝶。 |
| 2. | How do you explain the monarch butterflies flying back to monarch bay 怎解释黑脉金斑蝶飞返monarch bay ? |
| 3. | Each year , millions of monarch butterflies travel from canada to mexico and back again 每年,数以百万计的黑脉金蝴蝶从加拿大飞到墨西哥并返回。 |
| 4. | Each year , millions of monarch butterflies travel from canada to mexico and back again 每年都有数百万只君主蝶从加拿大迁徙到墨西哥,然后再飞回来。 |
| 5. | The radiant oranges of a monarch butterfly ' s wings alert hungry predators that those insects are poison 大桦斑蝶翅上的鲜?橘红色,对于饥饿的猎食者具有警告的作用:这个昆虫有毒。 |
| 6. | Monarch butterflies use the sun to set their body clocks and make their journeys , according to us scientists 据美国科学家所说,帝王蝶其实是利用太阳调节自身的生物钟,并最终完成迁移旅程的。 |
| 7. | One of the greatest mysteries in biology ? how the monarch butterfly travels thousands of kilometres on its yearly migration ? has just been solved 帝王蝶每年怎样进行不远千里地迁移?这个困扰生物学界多年的谜终于在最近被解开了。 |
| 8. | Suddenly all eyes turned to the organisms munching gm plant leaves nipping modified pollen or wriggling around in the soil below the plants organisms that play vital roles in sustaining plant populations . another alarming study relating to monarch butterflies appeared last august 一时之间,所有的目光都集中在那些大口嚼食基改作物叶片小口品尝基改花粉的生物,或在基改作物下的土壤中蠕动的生物 |
| 9. | The flames of fear erupted again a year later when cornell university entomologist john losey and his colleagues reported that they had fed milkweed leaves dusted with bt corn pollen to monarch butterfly larvae in the lab and that those larvae too had died . that was the straw that broke the camel ' s back says david pimentel also an entomologist at cornell 一年之后,美国康乃尔大学的昆虫学者洛西等人提出报告,他们以沾有bt玉米花粉粒的马利筋叶喂食大桦斑蝶幼虫,结果那些幼虫都死了。疑惧之火再度燃起。 “这是压垮骆驼的那根稻草。 ” |
| 10. | But the jury is still out . there ' s not much evidence to weigh notes jane rissler of the union of concerned scientists . this issue of nontarget effects is just a black hole and epa has very little good data at this point to conclude whether the monarch butterfly problem is real particularly in the long term “证据根本就不够, ”环保科学家协会的瑞斯乐指出, “基改作物对非目标生物的影响这个问题根本就是个黑洞,环保署目前握有的数据太少,根本无法判断大桦斑蝶的问题是否严重,更遑论长期的评估。 ” |