persistence of vision

例句：

1. 1. The patient persisted in his efforts to recover despite the pain.
   尽管痛苦，病人仍坚持不懈地努力恢复。
2. 2.Despite repeated attempts, the project still lacked persistence.
   尽管多次尝试，这个项目仍然缺乏持久性。
3. 3. The scientist's research was characterized by a high degree of persistence and dedication.
   科学家的研究工作以高度的坚持和奉献精神而著称。