boron
boron 英 ['bɔːrɒn] 美 ['borɑn]
n. [化学] 硼
名词复数:borons
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- n. [化学] 硼
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1. He said there should be an element under boron.
他认为在，硼的下面也有个元素。
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2. So, we have beryllium in the first case here, it has four electrons, that's how we know it's beryllium, boron has five electrons.
那么我们将铍作为第一个例子，它有四个电子，这也是我们为什么能知道它是铍的原因，硼有五个电子。
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3. Only small amounts of wurtzite boron nitride and lonsdaleite exist naturally or have been made in the lab so until now no one had realised their superior strength.
天然存在或者实验室制造的纤锌矿型氮化硼和朗斯代尔石数量很少，直到现在，也没有一个人发现它们令人吃惊的硬度。
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