weld

• 名词，指通过加热软化并熔合或锻接而成的金属连接处；也指木犀草（Reseda luteola），一种栽培用作黄色染料来源的植物。

A noun referring to a metal joint formed by softening with heat and fusing or hammering together, or a plant (Reseda luteola) cultivated as a source of yellow dye.

1. Plant used for dyeC1formalbritish

   A European plant (Reseda luteola) cultivated historically as a source of a yellow dye; also known as dyer's rocket or mignonette.

   染料植物

   • Weld was widely used in medieval times to dye wool yellow.
   • The farmer grew weld in his field for the textile industry.
   • Natural dyes like weld are becoming popular again among artisans.

2. Metal jointB2formal

   A joint formed by heating metal parts to a molten state and fusing them together, often with pressure or hammering.

   焊接接头

   • The weld on the pipeline was inspected for cracks.
   • A strong weld is essential for the structural integrity of the bridge.
   • The mechanic repaired the broken frame with a precise weld.

   同义词bondfusionjointseam

• 动词，指通过加热、加压或同时加热加压使金属或塑料等材料连接在一起的操作。也指使事物紧密结合或团结一致。

A verb used to indicate the act of joining metal or plastic pieces together by heating and fusing them.

1. Join metals by heatingB2formaltechnical

   To fuse two pieces of metal together by applying heat and pressure, often with a filler material.

   焊接

   • The mechanic welded the broken car frame back together.
   • They welded the steel beams to create a strong structure.
   • He learned how to weld in his vocational training class.

   同义词bondbrazeforgefusejoinsolder

2. Unite closely or intimatelyC1formal

   To bring separate elements together into a cohesive whole, often used metaphorically.

   凝聚

   • The shared experience welded the team into a strong unit.
   • Their common goal welded the two communities together.
   • The crisis welded the family into a more supportive group.

   同义词amalgamatebondcementcoalescecombinefuseintegratejoinmergeunite

   反义词disconnectdisunitedivideseparatesplit