cis 4造句
例句与造句
- Each halogen ( I ) forms corresponding halomethane, but their stability decreases in order CF 4 & gt; CH 4 & gt; CCl 4 & gt; CBr 4 & gt; CI 4 from exceptionally stable gaseous tetrafluoromethane with bond energy 515 kJ . mol " 1 to solid tetraiodomethane.
- It's difficult to find cis 4 in a sentence. 用cis 4造句挺难的