arc welder
arc welder — 名詞
1. a tool that joins pieces of metal by passing a strong electric current between t
電弧焊機
用強電流產生電弧熔接金屬的機器
a tool that joins pieces of metal by passing a strong electric current between them, making enough heat to melt the edges so they stick together.
Christopher switched on the arc welder and a bright blue flash lit up the workshop.
Christopher 打開電弧焊機，一道明亮的藍光照亮了整間工作室。
subject + switch on + arc welder
The arc welder hummed loudly as the two steel beams slowly fused into one.
電弧焊機發出很大的嗡嗡聲，兩根鋼樑慢慢熔合成一根。
machine as subject of the action
Always wear a dark mask when you use an arc welder, or the light will hurt your eyes.
使用電弧焊機時一定要戴深色面罩，否則強光會傷害你的眼睛。
Meera bought a small arc welder to fix the broken gate in her back garden.
Meera 買了一台小型電弧焊機，來修理她後院那扇壞掉的大門。
The old arc welder in the garage no longer worked, so the repair shop ordered a new one.
車庫裡那台舊電弧焊機已經不能用了，修理店便訂了一台新的。
- welding machine
broader term for any machine that welds, not only the electric-arc type
- welder
short form; can mean either the machine or the person, so less precise
用法筆記
Refers to the equipment itself. Distinguish from sense 2, which is the worker who operates it; context (a person doing a job vs. a tool being switched on) tells them apart.
2. a worker whose job is to join metal parts together using a machine that melts th
電焊工
以電弧焊接金屬為職業的工人
a worker whose job is to join metal parts together using a machine that melts the metal with a strong electric current.
Gabriela trained for two years before she became a skilled arc welder at the shipyard.
Gabriela 受訓兩年，才成為造船廠裡技術純熟的電焊工。
person + became + arc welder (occupation)
The factory hired three arc welders to build the steel frames for the new bridge.
這家工廠聘了三名電焊工，來打造新橋的鋼骨架構。
hire + arc welders (plural occupation)
As an arc welder, Ilan spends his days joining heavy steel pipes in the open air.
身為電焊工，Ilan 每天都在戶外接合沉重的鋼管。
Good arc welders earn high wages because their work keeps bridges and buildings safe.
優秀的電焊工薪水很高，因為他們的工作維繫著橋樑與建築的安全。
The arc welder lowered her mask and began joining the two metal plates.
那名電焊工放下面罩，開始接合兩片金屬板。
- welder
general term for the trade; an arc welder specifically uses electric-arc equipment
- metalworker
broader trade covering many ways of shaping metal, not only welding
用法筆記
Subject is always a person performing the trade; often paired with a workplace (shipyard, factory) or a verb of employment (hire, train). Distinguish from sense 1, the machine.