Sinoventricular
[医] 窦室的
🗣️ 情景例句
I guess we must.
我想咱们是该开始了。
It is easier to descend than to ascend.
下降容易上升难。
The path led to a tiny village perched on the steep sides of a mountain.
顺着小路，我们来到一个座落在陡峭山坡上的小村庄。