bǎo bǎo / xī shǔn / bú gòu / shí / mā ma / kě yǐ / yòng / xī nǎi qì / fǔ zhù / tōng rǔ宝宝吸吮不够时,妈妈可以用吸奶器辅助通乳。When the baby doesn't nurse enough, the mother can use a breast pump to help unblock the milk ducts.