B 开头单词
breast window [医药科学]膺窗
breast welt pocket 贴边口袋
breast wall n. 护壁（等于retaining wall）
breast tumor 乳腺肿瘤
breast tissue 乳腺组织
breast thickness caliper [医药科学]胸厚测径计
breast the tape 撞线，冲到终点线
breast stroke n. 蛙泳
breast strengthening apparatus [医药科学]健胸仪
breast stay [体育]防摇拉条
breast species [医药科学]和胸茶
breast shape 乳房形态
breast roller [能源科学技术]精轧机[交通运输工程]机架辊子
breast ring [农业科学]缔括环
breast reliever [经济学]吸奶器[医药科学]吸奶器
breast reduction surgery 缩胸手术，缩乳手术。
breast reduction 乳房缩小术