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
That's six steaks.
六份牛排。
I remember the girl whose father owns a pet shop.
我记得那个女孩的父亲有一家宠物店。
How many spiders are engaged in this work no our behalf?
有多少蜘蛛在为我们效力呢？