mesotriaene

例句：

1. 1. The astrophysics department at the university is studying neutron stars.
   该大学的天体物理学系正在研究中子星。
2. 2. Neutron stars are believed to be the remnants of massive stars that have exploded.
   人们认为中子星是巨大恒星爆炸后的产物。
3. 3.The study of neutron stars has led to new insights into the properties of black holes.
   对中子星的研究为黑洞的特性提供了新的见解。