1
be a counterweight to sth
名词“counterweight”后常用介词“to”引出与之平衡的对象。
The heavy base is a counterweight to the tall mast.
沉重的底座是高桅杆的平衡物。
配重；平衡物；秤锤
counterweights — plural of counterweight
先理解核心含义，再看它在真实句子里的用法。
配重；平衡物；秤锤
a weight that balances another weight
The heavy base is a counterweight to the tall mast.
沉重的底座是高桅杆的平衡物。
配重:与升降载荷机械连接的铁或混凝土重块,以减少升降所需的功；例如用于缆索电梯和某些可动桥(如竖旋桥)。
A heavy mass of often iron or concrete, mechanically linked in opposition to a load which is to be raised and lowered, with the intent of reducing the amount of work which must be done to effect the raising and lowering. Counterweights are used, for example, in cable-hauled elevators and some kinds of movable bridges (e.g. a bascule bridge).
平衡物；抵消物。
A counterbalance.
The elevator uses a counterweight to make it easier to lift the cabin.
电梯使用配重使得提升轿厢更容易。
You can adjust the counterweight so the crane does not tip over.
你可以调整配重，使起重机不会翻倒。
In old clocks, a counterweight hangs from a chain to drive the gears.
在旧钟表中，一个平衡物挂在链条上驱动齿轮。
名词“counterweight”后常用介词“to”引出与之平衡的对象。
The heavy base is a counterweight to the tall mast.
沉重的底座是高桅杆的平衡物。
动词“counterweight”为及物动词，意为“配重；使平衡”，比名词用法少见。
The lead block counterweights the beam.
铅块平衡了横梁。
Not this
This device uses counterweight to balance the arm.
Use this
This device uses a counterweight to balance the arm.
counterweight 是可数名词，表示单个配重时前面需要加冠词 a；汉语没有冠词，所以容易漏掉。
Not this
The lead block counterweights against the load.
Use this
The lead block counterweights the load.
counterweight 作动词时是及物动词，直接接宾语，不能用 against；不要受汉语“与…平衡”的影响加介词。
Not this
The tower is a counterweight of the bridge.
Use this
The tower is a counterweight to the bridge.
表示“用来平衡某物的配重”时，介词用 to，而不用 of；of 会让人误解为“属于该物的配重”。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
充当平衡物；起平衡作用
The large stone acts as a counterweight to keep the structure stable.
这块大石头充当平衡物，使结构保持稳定。
提供配重；提供平衡力
A heavy base provides a counterweight for the tall lamp.
沉重的底座为这盏高灯提供配重。
对……的平衡物；制衡……的力量
The new policy is a counterweight to the previous government's tax cuts.
这项新政策是对上届政府减税政策的制衡。
作为平衡物；起到平衡作用
These reserves serve as a counterweight against currency fluctuations.
这些储备金在货币波动时起到平衡作用。
配重系统；平衡系统
The elevator's counterweight system uses cables and pulleys.
电梯的配重系统使用缆绳和滑轮。
Use counterweights 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：counter-（相反）+ weight（重量）= 相反的重量，如同天平另一侧的砝码，即配重。
语域：neutral 常见场景：mechanical engineering、elevator systems、crane operation 作名词时通常指用于平衡另一重量的物体，比较常见于机械、工程、建筑设备等专业语境；使用上属中性偏正式的术语。
发音提示：counterweight 的重音在第一个音节，词尾 /-weɪt/ 与 weight、freight、eight、wait 的读音 /eɪt/ 相同，但整词并不与这些词押韵。拼写上的 -eight 在 freight、eight 中读 /eɪt/，在 height、sleight 中却读 /aɪt/，注意区分。
Dictionary facts from ECDICT, WIKTIONARY.