洞里一条红蚯蚓,冷时收缩热时伸,增产粮食搞科研,请它当个小顾问 (医疗器械)

物品谜语 2025-07-14 00:10:46
谜面:洞里一条红蚯蚓,冷时收缩热时伸,增产粮食搞科研,请它当个小顾问 (医疗器械)谜底:温度计