PD day
noun /ˌpiː ˈdiː deɪ/
/ˌpiː ˈdiː deɪ/
(especially Canadian English)- professional development day (a day on which classes at schools are cancelled so that teachers can get further training)
PD日：专业发展日（在一天中，学校取消课程以便教师可以接受进一步的培训）
| 词汇 | PD day |
| 释义 | PD daynoun /ˌpiː ˈdiː deɪ/ /ˌpiː ˈdiː deɪ/ (especially Canadian English)
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