Sinuatrial
a. [解]窦房的
🗣️ 情景例句
What's eating you?
什么正影响着你的情绪呢？
His extension number is 285.
他的分机号码是285。
I'll meet you there, shall we say about eleven o'clock.
我会在那儿等你，你看十一点左右如何。