yǎn / kē / yī / shēng / gěi / bìng / rén / shǐ / yòng / ā / tuō / pǐn / lái / kuò / dà / tóng / kǒng眼科医生给病人使用阿托品来扩大瞳孔。The ophthalmologist used atropine to dilate the patient's pupils.