Radioecho
无线电回波, 无线电反射信号
🗣️ 情景例句
That is not consistent with your principles.
那与你的原则不符合。
I'm a graduate of Yale University.I have a Bachelor of Arts degree.
我是耶鲁大学的毕业生，我有文学学士学位。
It was still early when I returned home.
我回到家时，时间还早。