Hemartograpby
[医] 动脉喷血描记法
🗣️ 情景例句
I am on speaking terms with him.
我和他只是泛泛之交。
In for a penny,in for a pound.
做事一开头，就要做到底；一不做，二不休。
So the number of stars that we know exist is now estimated at about 300 million million million.
因此，我们所知道的现有恒星数目估计约有30亿×1000亿颗。