Dld
abbr. 暗线缺陷（Dark Line Defect ）；数字光偏转器（Digital Light Deflector ）
🗣️ 情景例句
And don't forget to invite Susan for dinner.
别忘了请Susan来吃晚餐。
I ought to be on time.
我应该准时到。
How often do you write?
你们隔多久写信？