welding

welding — 名詞

1. a method of permanently fixing pieces of metal by heating their surfaces until t

1.名詞B2
釋義

焊接

用加熱方法接合金屬的工藝

a method of permanently fixing pieces of metal by heating their surfaces until they soften and can be pressed together to form a single strong piece when cooled

例句

Élise learned basic welding in shop class and built a small metal shelf.

Élise 在工藝課學了基礎焊接，還做了一個小金屬架子。

collocation: learn + welding

The iron gate needed urgent welding after a truck hit it during the storm.

那扇鐵門在暴風雨中被卡車撞到後，需要緊急焊接。

noun as subject: [object] + needs + welding

同義詞
  • soldering

    uses lower heat and a filler metal with a lower melting point; not as strong as welding

  • brazing

    uses a filler metal above 450°C but the base metal is not melted; a related but different process

  • metal joining

    a broader, more formal term that includes welding, soldering, and other techniques

文法句型

welding + noun (attributive)

do + welding

welding + preposition + object

用法筆記

Uncountable — you cannot say 'a welding' or 'welding(s)'. To refer to a single instance, use 'a weld' or 'a piece of welding work'.

常見錯誤

❌He learned a welding at the technical college.
✅He learned welding at the technical college.
💡welding is an uncountable noun, not used with 'a'.
❌The welding on the pipe were weak.
✅The welding on the pipe was weak.
💡welding is a singular uncountable noun, takes a singular verb.