基本解释n.旁观者同根派生 standers-by相关词英汉例句用作名词 (n.)He was content to stand by as an impassive spectator.他满足于站在旁边做一个冷漠的旁观者。Bystanders claim they were manhandled by security guards.旁观者声称他们遭到了保安人员的粗暴推搡。standers-by更多例句