Pcg
abbr. Phonocardiogram 心音图; （心脏）声电图
🗣️ 情景例句
She is a fantastic swimmer.
她游泳游得非常好。
Whom do you want to talk to?
你要和谁讲话？
It's a very old castle. It is the oldest one in Britain.
这个城堡很古老，它是英国最老的了。