yī / shēng / xiàng / huàn / zhě / jiě / shì / , / xìng / qì / yě / xū / yào / bǎo / chí / qīng / jié / hé / jiàn / kāng / 。医生向患者解释,性器也需要保持清洁和健康。The doctor explained to the patient that the sex organs also need to be kept clean and healthy.