Sne
[医][=sinus node electrogram]窦房结电图
🗣️ 情景例句
Ask him to stop by for a talk.
让他过来坐坐，聊聊天。
Who will not keep a penny, shall never have many.
不积少，不会成多。
We're in Class Three, Grade One.
我们是在一年级，三班。