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会员注册今日单词：
| 单词 | 中文释义 | 英文释义 | 例句 |
| luminiferous | 发光的（形容词） | (adjective) Carrying or transmitting light | EXAMPLE: Advanced industrial scientists are working on the development of luminiferous paints for use in emergency applications such as fire exits and escape passageways. 优秀的工业科学家正致力于开发发光涂料，用于火灾出口和逃离通道等紧急应用装置。 |
今日短语：
| 短语 | 中文释义 | 英文释义 | 例句 |
| to be a jump ball | 悬而未决的问题 | (INFORMAL) To be undecided (NOTE: coming from BASKETBALL usage) | EXAMPLE: The managers have been arguing about the new proposal all morning, but it's still a jump ball, and they won't make a decision before the end of the day. 经理们整个上午都在讨论新建议，但依然悬而未决，他们无法今天决策。 |