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例句

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hydrogens是什么意思？

hydrogens

n. <化>氢( hydrogen的名词复数 )；

例句

Those that are aligned perpendicular to the plane are called axial hydrogens. 与平面垂直定向的氢叫做直立氢.
Those that are aligned in the place are called equatorial hydrogens. 那些在平面上定向的氢叫做平伏氢.
In there compounds, the cyclopentadiene ring has only four hydrogens. 在这些化合物里, 环戊二烯环只有4个氢.
A methane molecule is composed of one carbon atom attached to four hydrogens. 甲烷分子由1个碳原子与4个氢原子构成。

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