Union nipple
[化] 接管接头
🧩 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 don't cut it too short.
不要剪得太短了。
I've always respected him.
我一直很尊敬他。
but she was fast asleep,
但她睡得很熟。