Wavegude wavelength
[电] 波导波松
🧩 词语组成解析
🗣️ 情景例句
What's gotten into him?
他怎么搞的？
Just a minute, please.
请等一下。
Beyond two or three days, the world's best weather forecasts are speculative,
世界上最好的两三天以上的天气预报具有很强的猜测性，