Ddi
abbr. 深度偏差指示器（Depth Deviation Indicator）
🗣️ 情景例句
Yes.
是的。
Poor men's words have little weight.
人微言轻。
One, for instance, consisted of rods of various lengths and thicknesses which would stand up on end like ninepins.
例如，有一种装置是由一些长短、粗细不同的木棒组成；就像九柱戏的木棒一样竖立着，