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
Please. That sounds good.
听起来不错，请给我弄一杯。
He who cannot hold his peace will never live at ease.
嘴巴不紧，生活不宁。
Fine, thanks, Dad. What about you?
很好，谢谢爸爸。你呢？