您要查找的是不是：
- Zwitterion An ion with both a positive and a negative charge. 两性离子：既带有正电荷又带有负电荷的离子。
- There is positive proof that he did it. 有确切的证据证明他做了此事。
- The positive or negative character of a proposition. 命题的性质命题的肯定或否定的性质
- The hydroxyl ion has a negative charge. 氢氧根离子有一个负电荷。
- An electrically charged atom is known as an ion, positive or negative. 一个带电原子被称为离子，正离子或负离子。
- The vitamin twister uses positive ion / negative ion / negative, positive ion. 维他命导入棒能令肌肤直接吸收水份和营养，使肌肤持久水嫩晶莹。
- Let's purify air with a negative ion generator. 我们用负离子发生器净化一下空气吧。
- Altering the meaning of a term from positive to negative. 表否定的将一个词的意义由肯定变为否定的
- The answer to my request was in the negative. 对我的请求的答复是否定的。
- Her behaviour was a positive outrage. 她的行为残暴到了极点。
- His answer to my request was a negative. 我的请求遭到了他的拒绝。
- I'm positive she told us to meet at noon. 我肯定她是告诉我们在中午见面。
- The tests for hepatitis were negative. 肝炎检查结果是阴性。
- Having only one metal ion or positive radical. 只有一个金属离子或正基的
- Their criticism was not negative. 他们的批评并不是负面的。
- Do a blow-up of this corner of the negative. (对某事的)详尽的报道。
- This charge is a positive charge. 这个电荷是正电荷。
- Third, positive ion polyelectrolyte. （3）阳离子聚合电解质。
- She shows a very positive attitude to her work. 她工作态度非常积极。
- Can you be positive about what you hear? 你对听到的话有把握吗？
