单词：electric needle
单词：electric needle 相关文章
Electric Fish 发电鱼 One way that Harold Zakon and his team find fish to study is to put electrical detectors into the bottom of murky streams in Venezuela. This works because certain fish emit pulses of electricity. Discover electric fish -- on tod
(科普英语)Earth and Sky
Idiom: Needle and a haystack 大海捞针 Hit the book： Master As well as Mood Chemical Be stuck on Discover
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044 The Darning Needle Long ago, there was a needle. She thought she was so delicate that she was appropriate only for embroidery. Hold me tight. I am so tiny that you can't find me if I fall on the floor. The needle shouted at the fingers. What an a
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释义： Stack：干草堆；Something that is extremely difficult to find. Anything that's on the verge of being impossible.很难找到的东西，也就是大海捞针； 来源： Today, this phrase is typically said as It's like trying to find
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This is the VOA Special English Health Report. For medical students, real experience begins not in a classroom but at a teaching hospital. These doctors in training are supervised. But sometimes accidents happen and the students get injured. For exam
2010年慢速英语(二)月
A recent study found almost 60 percent of surgical residents admitted they had sustained needlestick injuries when they were medical students. Blunt tip needles, such as this one, are considered safer A recent study shows that medical students and ho
VOA标准英语2010年(二月)