| 单词 | 暗点 |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔sunspot〕Any of the relatively cool dark spots appearing periodically in groups on the surface of the sun that are associated with strong magnetic fields.黑子：周期性地成群出现在太阳表面的温度相对较低的暗点，与强磁场有关美国传统 |
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