| 单词 | 正负 |
| 释义 | DEFINITIVE EXAMPLES 权威例句〔BEHAVE〕Public figures have a duty to conduct themselves responsibly, even in their private lives. 公众人物应该行为端正负责，即使是在私生活方面也应如此。朗文写作活用〔ambipolar〕Applying equally to both positive and negative ions.双极性的：等同地适用于正负离子的美国传统〔at fault〕It will be difficult to determine who's really at fault.难以确定谁真正负有责任。韦氏高阶〔attract〕Opposite poles attract.正负极之间有吸引力。英汉大词典〔margin〕The survey has a margin of error of plus or minus 3.4 percentage points.这次调查有3.4个百分点的正负误差范围。外研社新世纪〔polarization〕Chemistry Physics The partial or complete polar separation of positive and negative electric charge in a nuclear, atomic, molecular, or chemical system.【化学】 【物理学】 极化（作用）：在一个原子核、原子、分子或化学系统中，正负电荷的部分或完全的二极分化美国传统〔pole〕A battery has both a positive pole and a negative pole.电池有正负两极。英汉大词典〔positive〕It's really a simple numbers game with negative and positive numbers.它其实就是正负数的简单数字游戏。柯林斯高阶〔swap over〕The radio won't work, if you swap the cell's poles over.如果你把电池的正负极颠倒了，收音机就不会响了。21世纪英汉〔transpose〕Mathematics To move (a term) from one side of an algebraic equation to the other side, reversing its sign to maintain equality.【数学】 移项：把（一个项）从代数方程的一边移到另一边。改变它的正负号以使方程两边仍保持相等美国传统〔voltage〕A voltage is then applied across the cell electrodes.然后给电池的正负电极施加电压。牛津搭配〔zwitterion〕A molecule carrying both a positive and a negative charge. 两性离子：带有正负电荷的分子美国传统 |
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