on.

• abbr. =octane number 【化】辛烷值

on.的英文翻译是什么意思，词典释义与在线翻译：

英英释义

形容词 on:

1. in operation or operational

2. (of events) planned or scheduled

副词 on:

1. with a forward motion

2. indicates continuity or persistence or concentration

3. in a state required for something to function or be effective