noun 下载 🔗分享 转换,转变,切换。 A complete change or switch from one state, system or course of action to another. Examples : "After the digital switchover, analogue television broadcasts were no longer transmitted." 数字信号切换之后,模拟电视信号就不再播放了。 system process action 与AI对话词汇游戏阅读练习