Vectorcardiographic
心电向量描记法的
🗣️ 情景例句
You're a real friend!
你是个真正的朋友！
Tom's been feeling blue ever since his divorce.
自离婚以来，汤姆一直很忧郁。
Every child that is born into his group will share them with him,
每一个和他诞生在同一个社团中的孩子和他一样具有相同的风俗；