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Idiom: Needle and a haystack 大海捞针 Hit the book: Master As well as Mood Chemical Be stuck on Discover
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
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
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 say Ouch? Male: Eh,no? F: No,indeed.If new microneedle technology is successful, we may soon hav
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
In Chinese culture, after engagement, a man has to give the bride's family a betrothal gift, known as Caili in Chinese, to get married. Nowadays, the Caili tradition has become more like a commercial transaction, and can place a heavy financial burde