Osteoaneurysm
[医] 骨内动脉瘤, 血管扩张性骨肉瘤
🗣️ 情景例句
I recently broke up with my boyfriend. I was really bummed out.
最近我和男朋友分手了。我真沮丧。
The sun sets.
太阳西沉了。
What will be the population of these countries by the end of the twentieth century?
到20世界末较发达国家的人口将是多少？