| 单词 | 力偶 |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔couple〕Physics A pair of forces of equal magnitude acting in parallel but opposite directions, capable of causing rotation but not translation.【物理学】 力偶：具有相等磁性的两个力，平衡作用但反向，能导致旋转但不能造成平移美国传统 |
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It was the best of times, it was the worst of times.-「双城记」
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