Ddi
abbr. 深度偏差指示器（Depth Deviation Indicator）
🗣️ 情景例句
Jack, Would you please read this letter of application I've just written?
杰克，你能读一下这封我刚写的求职信吗？
How do you pronounce it?
这个字怎么念？
What about your sister Kate? You didn't come together, did you?
你的妹妹凯特呢？你们不是一起进校的，对不对？