Sonac
超声传感器
🗣️ 情景例句
It was very windy last fall.
去年秋天总刮风。
Let me give you a little friendly advice.
让我给你一些好意的劝告。
By January 10th, I was back to where I had started from.
到了1月10日，我恢复了原来的作息时间。