Idioventricular
心室自身的
🗣️ 情景例句
You've been a very helpful.
你帮了大忙。
I told him to come in and rest for a while.
我告诉他进来休息一下。
Happy birthday! said Polly, and gave Ann her present---a red feather.
“生日快乐！”波利说，然后给安送礼物--一根红羽毛。