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
It's an album of pictures of the United States:
是关于美国的
A good beginning makes a good ending.
善始者必善其终。
She started to run to the boat.
她拔腿就往小船跑去。