Eight credit hours

• 八学时

Eight credit hours的用法和样例：

例句

1. He devoted studious hours to getting up the subject to be discussed.
   他花了好几个学时认真准备要讨论的课题。
2. Plant physiology experiments are large and complicated, but class hours are limited.
   摘要植物生理学实验课数量多，内容复杂，但学时有限。