名词
中文翻译：Unknown
同义词：
['smooth joint', 'smooth connection']
例句：
-
1.The new car has a smooth hinge that makes it easy to open and close.
这辆新车有一个平滑的铰链，使得开关变得很容易。
-
2. The old door was made of wood, but the new one is made of metal, which makes it more durable.
旧门是用木头做的，但新门是用金属做的，这使得它更耐用。
-
3. The smooth hinge allows for easy movement without causing any damage to the surrounding area.
平滑铰链允许轻松移动，而不会对周围区域造成任何损害。