单词：ionic bond
ionic bond的用法和样例：
例句
- Aminoin chitosan and carboxy on the surface of fiber form strong ionic linkage.壳聚糖的氨基同纤维表面的羧基形成了牢固的离子键结合。
- "A sweet temper" is a figurative expression, but "sweet coffee" is not."甜蜜的性情"是个比喻的说法，而"甜咖啡"则不是。
- Depending on electron distributions resulting from covalent or ionic bonding of structural sub-groups,proteins can be either polar or nonpolar at a given pH.取决于其电子分布会产生共价或离子结合的结构次团，在特定的氢离子指数下，蛋白可以是极性或非极性。
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[00:03.81]bond fund :债券型基金 [00:05.87]closed-end fund :封闭型 [00:08.07]derivative :n.衍生商品 [00:09.95]equity fund :股票型基金 [00:11.96]fund manager :基金经理人 [00:13.99]futures :n.期货 [00:15.93]hedge fund :避险基金
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