antennular sternum

例句：

1. 1.The patient's condition was complicated by a ruptured antennular sternum.
   患者的病情复杂，伴有一个破裂的环形胸骨。
2. 2.The surgeon performed an emergency repair of the antennular sternum.
   外科医生紧急修复了环形胸骨。
3. 3. The patient's recovery was slowed by the presence of an antennular sternum.
   患者康复缓慢，因为存在一个环形胸骨。