文章列表

• 1.英语听力文摘 English Digest 476、美食家的烦恼
• Supertasters Beware! You may have heard of supertasters. These are people who, it was discovered, are carrying around extra taste buds on their tongue...
• 2.英语听力文摘 English Digest 475、打针一定会痛吗？
• Microneedles 微针疗法 Female: From flu vaccin es to tetanus booster s , injections are a must in modern medicine. But do they always have to make you ...
• 3.英语听力文摘 English Digest 474、海洋独特的磁场
• Motional Induction Last time, we talked about motional induction , a phenomenon by which the ocean generate s a magnetic field. It works like this: ea...
• 4.英语听力文摘 English Digest 473、疫苗如何培育的？
• Save the Eggs Vaccine makers crack the eggshell and inject the virus into the white stuff surrounding the yolk. Then they reseal the egg, the embryo b...
• 5.英语听力文摘 English Digest 472、网络安全与黑客
• Cyber -diversity 网络多样性 I'm so tired of hack ers . That's what happens when you have bunch of computers runing the same software. Because they sha...
• 6.英语听力文摘 English Digest 471、你的心脏够强大吗？
• Bradycardia Don: Yal, isn't normal heart rate somewhere between sixty to one hundred beats per minute？ Yal: That's right, Don. Why? D: This would be ...
• 7.英语听力文摘 English Digest 470、昆虫界的“投弹手”
• Bombardier Beetle 投弹手甲虫 Male：Is it a beetle or some sort? Female:Right in deed.It's a bombardier beetle .This one is an African species, but it ...
• 8.英语听力文摘 English Digest 469、克隆宠物
• Cloning Pets Is animal cloning for real? I want to have my cat cloned. Well, animal cloning technology exists, but pet cloning isnt quite there yet. A...
• 9.英语听力文摘 English Digest 468、流产和乳腺癌
• Abortion and Breast Cancer When it comes to certain hot topics, claims about what science has or hasnt proven tend to be thrown around more in the ser...
• 10.英语听力文摘 English Digest 467、星星的遗迹
• 黑洞是一种引力极强的天体，就连光也不能逃脱。当恒星的史瓦西半径小到一定程度时，就连垂直表面发射的光都无法逃逸了。这时恒星就变成了黑洞。说它黑，是指它就...