1
girders support [something]
girder 常以复数形式出现，指建筑或桥梁中的主支撑梁。
Steel girders support the weight of the bridge.
钢大梁承受桥梁的重量。
大梁；主梁
girders — plural of girder
先理解核心含义，再看它在真实句子里的用法。
大梁；主梁
a large steel beam that supports a structure
Steel girders support the weight of the bridge.
钢大梁承受桥梁的重量。
钢、木或钢筋混凝土制成的主梁,用作建筑物或结构的主要水平支撑。
A beam of steel, wood, or reinforced concrete, used as a main horizontal support in a building or structure.
通常由钢制成的梁；结构中的主要支撑
a beam made usually of steel; a main support in a structure
讽刺者；讥讽者。
One who girds; a satirist.
The workers lifted the steel girder into place with a crane.
工人们用起重机把钢制大梁吊装到位。
Each girder supports part of the bridge deck.
每根主梁都支撑着桥面的一部分。
The old railway bridge is made of steel girders.
这座旧铁路桥是用钢梁建造的。
girder 常以复数形式出现，指建筑或桥梁中的主支撑梁。
Steel girders support the weight of the bridge.
钢大梁承受桥梁的重量。
girder 常与钢（steel）搭配；如果强调由若干根大梁构成，可用复数。
The bridge is made of steel girders.
这座桥是用钢大梁建造的。
Not this
The bridge is supported by steel girder.
Use this
The bridge is supported by steel girders.
girder 是可数名词，指多根大梁或泛指此类钢材时需用复数 girders；汉语名词没有复数变化，学习者容易漏掉 -s。
Not this
Girder is a main beam in a building.
Use this
A girder is a main beam in a building.
girder 是可数名词单数，泛指时须带不定冠词 a/an；汉语没有冠词，学习者容易直接省略。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
钢梁
The steel girders support the roof of the factory.
钢梁支撑着工厂的屋顶。
桥梁大梁
Engineers are checking the bridge girders for stress fractures.
工程师正在检查桥梁大梁是否有应力裂缝。
箱形梁
The bridge uses box girders to resist twisting forces.
这座桥采用箱形梁来抵抗扭转力。
格构梁
A lattice girder is often used when weight needs to be minimized.
当需要减轻重量时，常使用格构梁。
承重大梁
The load-bearing girders were damaged in the earthquake.
承重大梁在地震中受损。
Use girders naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
记忆联想：girder 听起来像 guard（守护），大梁就像守护桥梁的卫士，是主要支撑。
语域：neutral 常见场景：建筑工程、桥梁建设、结构工程 通常用于建筑工程或结构工程等正式、技术场合，指钢制或大型主梁；日常口语中不常见，多出现在专业描述中。
这些词拼写都以 -rder 结尾。发音上与 girder (/ˈɡɝdɚ/) 押韵的有 murder、herder、birder；拼写相似但不押韵的有 border、order、harder。
Dictionary facts from ECDICT, WIKTIONARY.