hydrogens例句
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。
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.
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.