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
Drop the gun, or I'll shoot.
扔掉枪， 不然我就开火了。
I asked him to pay, but he wouldn't.
我请他付账，但是他不肯。
We couldn't get across the river.
我们过不了河。