Radiospectrography
无线电频谱学
🗣️ 情景例句
What's your trade-in policy?
这里对汽车是怎样做折价处理的？
Nature is the glass reflecting truth.
大自然是反应真理的一面镜子。
Tony worked in a lawyer's office years ago, but he is now working at a bank.
托尼曾在一家律师事务所工作，而现在正在一家银行上班。