Ddm
abbr. 调制深度差（Difference of Depth of Modulation）；分布式数据管理（Distributed Data Management）
🗣️ 情景例句
I have them, Harry.
在我这里， Harry。
It seems he's very fond of you.
看起来他好像很喜欢你。
This will relieve pressure on the trains to some extent.
这将在某种程度上减轻对火车的压力。