pressure gauge
collocation压力表；压力计
The pressure gauge on the boiler shows 150 psi.
锅炉上的压力表显示150磅/平方英寸。
测量仪器；仪表；量规
先理解核心含义，再看它在真实句子里的用法。
测量仪器；仪表；量规
An instrument used for measuring and indicating a quantity such as pressure, thickness, or amount.
The meteorologist checked the rain gauge to measure the precipitation.
气象学家检查了雨量计以测量降水量。
测量；测量标准；用于确定尺寸、距离或容量的仪器；标准
A measure; a standard of measure; an instrument to determine dimensions, distance, or capacity; a standard
用于测量和指示数量的仪器,如电线的厚度或降雨量等。
a measuring instrument for measuring and indicating a quantity such as the thickness of wire or the amount of rain etc.
测量行为
An act of measuring.
被接受或认可的数量或质量的实例,用于评判或比较其他事物。
accepted or approved instance or example of a quantity or quality against which others are judged or measured or compared
Test scores are often used as a gauge of student progress.
考试成绩常被用作衡量学生进步的标尺。
The train cannot run on this track because the gauge is different.
这列火车不能在这条轨道上运行，因为轨距不同。
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压力表；压力计
The pressure gauge on the boiler shows 150 psi.
锅炉上的压力表显示150磅/平方英寸。
燃油表；油量表
My fuel gauge is broken, so I never know when I'll run out of gas.
我的燃油表坏了，所以我总是不知道什么时候会没油。
雨量计
The rain gauge recorded 20 millimeters overnight.
雨量计测得夜间降雨量为20毫米。
标准轨距
Most high-speed trains run on standard gauge.
大多数高速列车采用标准轨距行驶。
线规；金属丝直径标准
Use a thicker wire gauge for the main power cable.
主电源线应使用更粗的线规。
估量形势；判断局面
You should gauge the situation before saying anything.
你在说任何话之前应先估量一下形势。
……的衡量标准；……的尺度
Spending is often a gauge of consumer confidence.
消费支出往往是衡量消费者信心的标准。
摸清；掌握（情况）
Let's get a gauge on how much this will cost.
我们来摸清这要花多少钱。
Use gauge naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
把 gauge 看成小图：字母 a 是表针，u 是刻度弧，一眼读出尺寸——gauge 就是量规、仪表。
语域：mixed 常见场景：technical/engineering measurements、railway track specifications、figurative/general evaluation gauge 作名词时含义较多：在技术语境（如仪表、量规、轨距）中较正式；在日常或比喻用法（如 a gauge of success）中则较中性常见。总体语域视搭配而定，多用于书面或正式场合。
常用介词 of 表示测量对象，如 a gauge of public opinion。
Dictionary facts from ECDICT, WIKTIONARY, WORDNET.