1. 迟到：I don't know why he is absent. 我不知道他为什么没来. | Lateness 迟 到 | May I come in? 我可以进来吗?
2. lateness的反义词
2. 迟：latency 潜伏 | lateness 迟 | latent ambiguity 潜在的歧义
3. 晚熟性：早熟性 earliness | 晚熟性 lateness | 生理成熟 physiological maturity
4. 迟,晚：latency /潜伏/潜在/延迟/ | lateness /迟/晚/ | latensification /潜像处理/潜像增强/潜影相强化/
noun
1. quality of coming late or later in time