Electrocardiosignal
心电信号
🗣️ 情景例句
He pulled him out of the water.
是他把你孩子从水 拉上来的。
Friendship the older it grows the stronger it is.
友谊地久天长。
I hired a car the day after landing and bought a comprehensive book of maps,
我下飞机后租了一辆车，并买了一本详尽的地图册。