yī / shēng / tōng / guò / xiǎn / wéi / jìng / guān / chá / jīng / chóng / de / huó / dòng / qíng / kuàng / yǐ / píng / gū / shēng / yù / néng / lì

医生通过显微镜观察精虫的活动情况，以评估生育能力。

The doctor examined sperm movement under a microscope to assess fertility.