Electrocardiosignal
心电信号
🗣️ 情景例句
I hope you will like it here.
我希望你们喜欢这里。
What have you done?
你究竟都做了些什么？
After that she helped her parents. She quickly cooked the supper, and cleaned the house.
之后她给父母帮忙。她很快煮好了晚餐，并把房子打扫干净。