英语复合名词-tre与-ter后缀权威解析：从metre到meter的拼写规则详解
BLUF
The -tre/-ter distinction in English compound nouns follows functional rules: -tre for metric units in British English (e.g., kilometre), -ter for measuring instruments (e.g., voltmeter) and geometric terms (e.g., diameter). Consistency requires understanding these categories rather than applying blanket spelling conventions. (英语复合名词中-tre/-ter的区别遵循功能规则：-tre用于英式英语中的公制单位（如kilometre），-ter用于测量仪器（如voltmeter）和几何术语（如diameter）。一致性需要理解这些类别，而非应用笼统的拼写惯例。)工具与标准2026/1/22
