骨真菌感染

SSS 2010-01-29

Organisms evolved sexual reproduction so they could stay one step ahead of parasites. Or so the theory goes. But what about beasties that make babies without sex? How do they escape infection? A study in the journal Science suggests that for bdelloid

发表于:2018-12-02 / 阅读(62) / 评论(0)

Scientific American(一)月

原版英文小故事 44. Are You Busy Friday Night?

One night a motorcyclist crashed into a bridge. The rider was on his way home from a party. Traveling at about 70 mph on the unlit, two-lane road, he lost control on a curve. He lay next to his motorcycle for 20 minutes before a passerby noticed the

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原版英文小故事

口腔临床英语对话第21期:牙周治疗(1)

Part ten 第十章 Periodontal Treatment 牙周的治疗 Good morning. How are you today? 早安，今天好吗？ Just fine, except that my gums are sore. I've noticed that they bleed when I brush my teeth. 不错，只是牙龈还痛，我发现刷牙

发表于:2018-12-27 / 阅读(63) / 评论(0)

口腔临床英语对话

美国国家公共电台 NPR In The Battle To Save Frogs, Scientists Fight Fungus With Fungus

In The Battle To Save Frogs, Scientists Fight Fungus With Fungus play pause stop mute unmute max volume 00:0003:47repeat repeat off Update Required To play the media you will need to either update your browser to a recent version or update your Flash

发表于:2019-01-16 / 阅读(56) / 评论(0)

2016年NPR美国国家公共电台9月

E. coli infection cases rise sharply in Germany

BERLIN, June 1 (Xinhua) -- Germany's disease control center reported on Wednesday 365 new cases of the fatal enterohemorrhagic E. coli (EHEC), which marked a sharp rise since its outbreak in the middle of May. Twenty-five percent of the new cases inv

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英语新闻

留美老师带你每日说英文第1128期:真菌感染

The fungal infection looks like fluffy grey clouds and gives corn a unique, mushroom-like flavor. 这种真菌感染看起来就像天空灰蒙蒙的云朵，让玉米吃起来带有类似蘑菇的独特风味。学习重点： 1.fungal 真菌 (引起

发表于:2019-02-25 / 阅读(50) / 评论(0)

留美老师带你每日说英文

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