第三人称单数：数：spots
第三人称单数：spots
过去分词：spotted
过去式：spotted
测定点位；
2. spotting是什么意思
4. 七彩网单词·英语单词大全
1. the act of detecting something catching sight of something
Synonym: detectioncatchingespialspying
2. the act of spotting or staining something
Synonym: stainingmaculation
