Electrocardiosignal
心电信号
🗣️ 情景例句
I love keeping animals for companionship.
我喜欢养动物为伴。
In the crowd, Sam looked aside to avoid seeing her.
在人潮中，萨姆把头转向旁边，免得和她目光相对。
The struggling musician and the struggling artist. What a pair!
艰苦奋斗的音乐家和艰苦奋斗的画家在一起。真是难兄难弟！