kē xué jiā / bǎ / wēi xíng / shè xiàng tóu / zhuāng jìn / qiú xíng / jī qì rén / ràng / tā / zài / xiá zhǎi / de / guǎn dào / lǐ / yí dòng

科学家把微型摄像头装进球形机器人，让它在狭窄的管道里移动。

Scientists placed a miniature camera inside a spherical robot so that it could move through narrow pipes.