Electrocardiology
[计] 心电学
🗣️ 情景例句
Grandpa,
爷爷，
Yes, I worked from early morning until late at night.
是,我从清早工作直到半夜。
Mom, can't Lily do it? It's her turn!
妈妈，莉莉就不能做吗？轮到她了！