Resonanting cavity
[电] 谐振空腔
🧩 词语组成解析
🗣️ 情景例句
Are we ever going to finish?
我们这样谈得完吗？
Kept waving to her mother until the train was out of sight.
不断地冲她的母亲挥手，直到火车驶出了视线。
Meimei, what's that?
美美，那是什么？