Sonac
超声传感器
🗣️ 情景例句
Yes, we are surprised to meet you here.
是的，我们意外在这儿见到了你。
The farmers are the founders of civilization and prosperity.
农民是文化和繁荣的奠基者。
and its owner his or her full intelligence;
和智力还有待发展和完善，