| 单词 | professional development day | 
| 释义 | professional development dayBrE /prəˌfeʃənl dɪˈveləpmənt deɪ/ NAmE /prəˌfeʃənl dɪˈveləpmənt deɪ/ noun (especiallyCanE ) a day on which classes at schools are cancelled so that teachers can get further training in their subjects 专职进修日,教师发展日(学校停课) | 
| 随便看 | 
 | 
英汉词典包含238766条英汉词条,基本涵盖了全部常用单词的翻译及用法,是英语学习的有利工具。