noun 下载 🔗分享 旁观者，局外人 A person who, although present at some event, does not take part in it; an observer or spectator. Examples : "The bystander watched the other students play basketball, but didn't join in the game. " 旁观者看着其他学生打篮球，但他没有加入。 person event situation society action human moral 与AI对话词汇游戏阅读练习
