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会员注册今日单词：
| 单词 | 中文释义 | 英文释义 | 例句 |
| headache | 令人头疼的问题（名词，非正式用语） | (noun, INFORMAL) )An unpleasant problem | EXAMPLE: The factory's old machinery is a real headache because it frequently needs to be repaired. 工厂的旧机器确实令人头疼，因为它经常需要修理。 |
今日短语：
| 短语 | 中文释义 | 英文释义 | 例句 |
| extreme tourism | 极限旅游 | A form of tourism involving travel to particularly remote or dangerous locations | EXAMPLE: My younger brother likes extreme tourism, and each year on his vacation he hikes to the top of a different active volcano. 我弟弟喜欢极限旅游，每年假期都去徒步攀登各类不同的活火山。 |