Nipple roll(upper)
[化] 上部压紧胶辊
🧩 词语组成解析
nipple
['nipl]
n. 乳头;<美>（奶品的）橡皮奶头;（枪炮的）火门;[机]喷灯喷嘴，螺纹接套;
🗣️ 情景例句
This has been a great learning experience for us, Marilyn.
这对我们是一次很好的学习经验， Marilyn。
He apologized for having offended her visitors.
他因为冒犯她的客人而向她道歉。
For the first time in his life, he became the proud owner of a bed which had springs and a mattress.
他平生第一次自豪地拥有了一张既有弹簧又带床垫的床。