hard acid造句

例句与造句

1. Chelating and detoxification metal ions are also the focus of many researchers . according to lewis soft - hard acid - base theory , aluminum is the hardest trivancy lewis acid , and polyphenols are lewis base theoretically , they can combine together tightly
   根据lewis软硬酸碱理论，铝是三价金属离子中最硬的lewis酸，而多酚类却是lewis碱（电子对供体，亲核体） ，两者可以很好的结合。
2. It's difficult to find hard acid in a sentence. 用hard acid造句挺难的