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
Now I remember.
现在我想起来了。
Elbow grease gives the best polish.
只要功夫深，铁杵磨成针。
Its wool, which had been dyed black, had been washed clean by the rain!
原来羊毛上染的黑色被雨水冲掉了！