with obj.
1- join together (metal pieces or parts) by heating the surfaces to the point of melting with a blowpipe, electric arc, or other means, and uniting them by pressing, hammering, etc.焊接, 熔接, 锻接：
the truck had spikes welded to the back.
卡车后部焊有尖钉。
1.1
- forge (an article) by such means焊接（或熔接、锻接）（物件）。
1.2
- unite (pieces of plastic or other material) by melting or softening of surfaces in contact（通过熔化或软化）连接（塑料或其他材料）。
1.3
- figurative cause to combine and form a harmonious or effective whole〈喻〉使紧密结合, 使成整体：
cross-curricular themes would weld the curriculum together.
跨课程体系的主题将使各门课程融为一体。
- a welded joint焊接节点。
派生词
weldability
nounweldable
adjectivewelder
noun词源
late 16th cent. （in the sense 'become united'）： alteration (probably influenced by the past participle) of WELL2 in the obsolete sense 'melt or weld (heated metal)'.
1
- a widely distributed plant related to mignonette, yielding a yellow dye淡黄木犀草。
1.1
- Reseda luteola, family Resedaceae.拉丁名Reseda luteola,木犀草科。
1.2
- mass noun the yellow dye made from this plant, which has been used since Neolithic times and was a popular colour for Roman wedding garments（淡黄木犀草制的）黄色植物染料（新石器时代开始使用, 是罗马结婚礼服的流行颜色）。
词源
late Middle English: related to Dutch wouw, perhaps also to WOLD.