常見例句用作名詞 (n.)China's sperm banks have failed to satisfy the growing demand due to a lack of qualified semen donors, domestic media reported recently.據(jù)國內(nèi)媒體近日報道，由于缺乏合格的捐精者，全國各地的精子庫已出現(xiàn)入不敷出的現(xiàn)象。 返回 sperm bank