Echoranging
回声测距法
🗣️ 情景例句
What did you bring?
你带的什么带子？
I bet you can.
我确信你能做到。
Mrs.Richards realized that it must be the man from the Electricity Board who had come to read the metre.
理查兹夫人这才想到一定是供电局来人查电表了。