Oscillography
[电] 示波法
🗣️ 情景例句
Good. OK.
好的。
This is Mary Speaking.
我是玛丽。
They invariably lie nearby and are always available for an informal chat or an evening's entertainment.
因为他们都住在附近，你随时可以同他们聊天或在晚上一起娱乐。