verb 下载 🔗分享 发出信号,示意。 To indicate; to convey or communicate by a signal. Examples : "The teacher signalled the start of the test by raising her hand. " 老师举起手,示意考试开始。 communication signal sign 与AI对话词汇游戏阅读练习
verb 下载 🔗分享 发信号,示意。 To communicate with (a person or system) by a signal. Examples : "Seeing the flames, he ran to the control room and signalled headquarters." 看到火焰后,他跑到控制室,向总部发信号求救。 communication signal technology 与AI对话词汇游戏阅读练习