双语例句原声例句
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一个水分子的形状是这样的：相邻地四个水分子组成一个金字塔形的四面体。
The shape of a water molecule is such that each H2O molecule is surrounded by four neighbours arranged in the shape of a triangular pyramid - better known as a tetrahedron.
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当射线轰击化石时，反弹回的信号的强度取决于每一个分子的形状和大小，以及它所处的化学环境造成的细微影响。
When the rays hit the fossil, the signal that bounces back depends on the shape and size of each molecule, and how it is being subtly influenced by the chemicals surrounding it.
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为了利用这种基质金属蛋白酶，钱博士将他的荧光染料和一些正电荷一同连接在一个小的发夹形状的蛋白质分子的一端。
To make use of the MMPs, Dr. Tsien attaches his fluorescent dye, along with some positive charges, to one side of a small hairpin-shaped protein molecule.
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If you were to make that change you would find that the molecule now has completely different biological and chemical properties.
如果要做出这样的变化,你会发现,分子的生物形状,和化学性质完全改变了。
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And what is the shape, for one more clicker question on ammonia?
那它的形状呢？,再来一道关于氨分子的课堂习题？
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