Union swivel
[机] 管套活转结
🧩 词语组成解析
swivel
[['swivəl]]
n. 转环, 旋转轴承, 转椅座架\\nv. (使)旋转
🗣️ 情景例句
It's fantastic!
太棒了！
How long will you remain here?
你将会在这里逗留多久？
The picnic basket was no longer under the tree.
树下的野餐篮不见了。