caliper sth
作动词时为及物动词，后面直接跟被测量的物体，不用加介词。
The machinist calipered the shaft before fitting the bearing.
机械师在安装轴承之前用卡尺测量了轴的尺寸。
用卡尺测量
calipering — present participle of caliper
用卡尺测量尺寸。；用测径规测量
To use calipers to measure the size of something.
用卡尺测量尺寸。
To use calipers to measure the size of.
一般现在时
He calipers the diameter of the pipe.
他用测径规测量管道的直径。
一般过去时
Yesterday, the technician calipered the part.
昨天，技术员用测径规测量了那个部件。
现在完成时
She has calipered all the samples.
她已经用测径规测量了所有样品。
规则动词
He calipers the metal rod to check its diameter.
他用卡钳测量金属棒的直径。
用法提示：动词caliper的第三人称单数形式，表示用卡钳测量
The technician calipered the piston carefully before installation.
技术员在安装前用卡钳仔细测量了活塞。
用法提示：动词caliper的过去式形式，表示已完成的测量动作
She is calipering the pipe to ensure it meets specifications.
她正在用卡钳测量管道以确保符合规格。
用法提示：动词caliper的现在分词形式，表示正在进行的测量动作
作动词时为及物动词，后面直接跟被测量的物体，不用加介词。
The machinist calipered the shaft before fitting the bearing.
机械师在安装轴承之前用卡尺测量了轴的尺寸。
技术说明中常用被动形式，强调被测对象而不是测量者。
Each disc is calipered at three points to check for wear.
每个圆盘都在三个点上用卡尺测量过，以检查磨损情况。
grammar · medium
易错句子The inspector caliper the shaft twice a day.
正确表达The inspector calipers the shaft twice a day.
一般现在时中主语为第三人称单数时，动词须加 -s；caliper 是规则动词，应变为 calipers，不能保留原形。
grammar · medium
易错句子Yesterday the technician caliper the piston clearance.
正确表达Yesterday the technician calipered the piston clearance.
句中有明确的过去时间状语，动词要用过去式；caliper 的规则过去式为 calipered，汉语动词没有形态变化，容易误用原形。
grammar · medium
易错句子The engineer calipered the gauge so its readings would be accurate.
正确表达The engineer calibrated the gauge so its readings would be accurate.
此处要表达“校准”，须用 calibrate；caliper 只表示“用卡尺测量尺寸”，两词形近义异，不可混用。
caliper 指用卡尺测量尺寸；calibrate 指调整或校验仪器的准确度，不表示测量动作。
caliper 专指用卡尺测量，工具和动作都更具体；measure 是通用词，可用任何工具或方法测量长度、温度等。
caliper 强调用卡尺取得精确尺寸；gauge 常指用仪表测量或凭经验估算，也可用于抽象判断。
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