音标：['nipl]
n. 乳头, 奶头, 奶嘴
【化】 螺纹接口; 螺纹接套
【医】 乳头
在线英汉词典

nipple的短语、例句：

nipple n 1 (a) small projection on the breast through which a baby sucks its mother´s milk （女子的）乳头, 奶头. (b) similar projection on the chest of a human male （男子的）乳头. Cf 参看 teat. =>illus at human 见human插图. 2 = teat. 3 thing shaped like a nipple 似乳头之物
`grease nipples, ie for squirting grease into machinery 油脂喷嘴.