气管

SSS 2012-06-27

Every time you inhale, oxygen passes from your windpipe to your lungs and on into your bloodstream. But what if your windpipe was blocked? Getting the gas straight to your blood could save your life. Wait, put down that syringea large air bubble in a

发表于:2018-12-24 / 阅读(153) / 评论(0)

Scientific American(六)月

英文短篇故事（纽约）199 A Pothole Is a Lifesaver

Linda was six years old. She was sitting in the back seat. Her dad was driving the car. Linda was sucking on a heart-shaped medal. The medal had hung on her necklace, but the necklace had broken. Suddenly, the medal slipped down her throat. It blocke

发表于:2019-01-22 / 阅读(132) / 评论(0)

英文短篇故事（纽约）

英语听力精选进阶版 6145

Scientists Pioneer a New Transplant Technique 科学家开辟新的移植技术 Some people are calling it the greatest medical breakthrough so far this century. Surgeons in Spain have successfully carried out the worlds first organ transplant using

发表于:2019-02-13 / 阅读(127) / 评论(0)

英语听力精选进阶版

英语听力—环球英语 1108 First Aid: Choking

Voice 1 Welcome to Spotlight. Im Liz Waid. Voice 2 And Im Joshua Leo. Spotlight uses a special English method of broadcasting. It is easier for people to understand - no matter where in the world they live. Voice 1 Do you know what to do when someone

发表于:2019-02-21 / 阅读(207) / 评论(0)

环球英语 Spotlight

英语听力—环球英语 1483 First Aid: Choking

发表于:2019-03-15 / 阅读(316) / 评论(0)

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Adequate service

albino

american bureau of standards(abs)

aminothiopropionic acid

assertivenesses

automatic pouring device