Sne
[医][=sinus node electrogram]窦房结电图
🗣️ 情景例句
It's getting late.
时间不早了。
As soon as I get to Guangzhou, I'll drop you a line.
我一到达广州，就给你写信。
She can't come. She has to help her Mommy!
她不能来。她得帮她妈妈的忙！