Electrocardioelectrode
心电电极
🗣️ 情景例句
I'll need a few minutes to check over my notes again.
我再需要几分钟来核对一下我的笔记。
Can I do anything for you?
我能不能为您做些什么？
It was very dark, so they turned on a torch.
饭厅很暗，于是他们打开了手电筒。