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However, I managed to get a hold of a Borane eventually, and here is the beast. 无论如何，我最终得到了一些硼烷，这就是那个怪物。 And it really does have the same -- if you calculate, if you measure the vibrational frequencies,
TED演讲教育篇
Seismologists spend a lot of time listening to the earth. Ocean acoustic monitors have been providing information on the earths vibrations since the 1930s. But there are other sounds those monitors pick up as well, for instance those of waves and ch
60秒科学
1. Your stomach has to produce a new layer of mucus every two weeks otherwise it will digest itself. 为了防止把自己消化掉，你的胃不得不每隔两周就造出一层新的粘膜。 2. Owls are the only birds that can see the colour blue
英语美文
1. You spend about 23 years sleeping in a 70 year life。 在70年的生命中，你大约要花23年的时间睡觉。 2. Owls are the only birds that can see the colour blue。 猫头鹰是唯一能看见蓝色的鸟类。 3. Your stomach has to pr
英语口语
你可能不知道的趣味生活常识 1．You spend about 23 years sleeping in a 70 year life。 在70年的生命中，你大约要花23年的时间睡觉。 2． Owls are the only birds that can see the colour blue。 猫头鹰是唯一能看见蓝
阅读空间
You spend about 23 years sleeping in a 70 year life。 在70年的生命中，你大约要花23年的时间睡觉。 Owls are the only birds that can see the colour blue。 猫头鹰是唯一能看见蓝色的鸟类。 Your stomach has to produce a n
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