标签：象牙 相关文章

VOA常速英语2014--US, World Act to Save Elephants 美国,世界采取行动拯救大象

US, World Act to Save Elephants 美国,世界采取行动拯救大象 WASHINGTON The Obama administration has unveiled a comprehensive strategy for combating wildlife trafficking in hopes of curbing illicit poaching that is threatening to wipe out el

发表于:2019-01-14 / 阅读(218) / 评论(0) 分类 VOA标准英语2014年(二月)

VOA标准英语2014--Illegal Ivory Trade Found in Burma Town 缅甸小镇被发现象牙交易

Illegal Ivory Trade Found in Burma Town 缅甸小镇被发现象牙交易 An undercover team of conservationists has found thousands of pieces of pieces of ivory being sold openly in a town in Burma, also known as Myanmar. The town is on the border w

发表于:2019-01-14 / 阅读(188) / 评论(0) 分类 VOA标准英语2014年(一月)

VOA常速英语2015--用DNA测试确定大象盗猎地点

用DNA测试确定大象盗猎地点 Theres a new weapon in the fight to stop elephant poaching: genetics. DNA testing, which is frequently used to solve crimes, has pinpointed where most of Africas elephants are being slaughtered. 现在有了对付大

发表于:2019-01-14 / 阅读(160) / 评论(0) 分类 VOA标准英语2015年(十二月)

英语听力文摘 English Digest 223、DNA帮助捕获偷猎者

DNA Helps Catch Poachers 科学家们利用一种革命性的基因技术成功确定了走私犯屠宰大象的非洲地区，这些大象沦为全世界非法象牙贸易的受害者。利用非洲大象的DNA图谱，他们已发现最近缉获的象

发表于:2019-02-24 / 阅读(174) / 评论(0) 分类 英语听力文摘 English Digest
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