Zpd
abbr. zero path difference 零（光）程差
🗣️ 情景例句
That's right.
是的。
After Mr. Lee's remarks, the meeting will be opened for comments and discussion from the rest of you.
李先生发言完毕后，会议将由大家进行自由评论和讨论。
How do you usually come to school?
你平常怎样来上学？