arbor

• 名词，有多个含义：与灌木相对的乔木；大型旋转部件所用的轴或心轴；或支撑攀缘植物的棚架。

A noun with multiple meanings: a tree as opposed to a shrub; a rotating shaft serving as an axis for larger rotating parts; or a framework that supports climbing plants.

1. Tree (as opposed to shrub)C1formalscientific

   A tree, especially one that is distinguished from a shrub by its larger size and single main trunk.

   乔木

   • The ancient arbor stood tall in the center of the garden.
   • Botanists classify this species as an arbor rather than a shrub.
   • The park is home to many different arbors, including oaks and maples.

   同义词tree

2. C1formaltechnical

   A rotating shaft or spindle that serves as an axis for larger rotating parts in machinery.

   心轴

   • The arbor of the lathe must be properly aligned for precise cutting.
   • He replaced the worn arbor in the milling machine.
   • The arbor supports the grinding wheel during operation.

   同义词axlemandrelshaftspindle

3. Framework for climbing plantsB2formal

   A structure, such as a lattice or arch, that supports climbing plants in a garden.

   花架

   • We built a wooden arbor for the roses to climb over.
   • The grapevines were trained along the arbor in the backyard.
   • A stone arbor covered in ivy marked the entrance to the garden.

   同义词bowerlatticepergolatrellis