“课时”的拼音？

“课时”的英语可以翻译为：class hour，period，class period，lesson period，hour ...

他赞成增加每天的课时并延长学年。He favors extending the school day and school year.该培训包括产科学和妇科学的增加课时。The training covers extended periods in obstetrics and gynaecology.他的航海教练在一次训练课时从船上失足跌入水中，溺水身亡。His sailing instructor fell overboard an...