noun 下载 🔗分享 乳房,奶头 (chiefly in the plural) A mammary gland on a domestic mammal with more than two breasts. Examples : "The farmer checked the sow's dugs to make sure the piglets were nursing properly. " 农夫检查了母猪的乳房/奶头,确保小猪们在正常吃奶。 animal body organ anatomy physiology biology 与AI对话词汇游戏阅读练习