yī / shēng / xiàng / huàn / zhě / jiě / shì / yīn / hù / shì / nǚ / xìng / wài / shēng / zhí / qì / de / yí / bù / fèn医生向患者解释,阴户是女性外生殖器的一部分。The doctor explained to the patient that the vulva is part of the female external genitalia.