Cdi
abbr. 航向偏差指示器（Course Deviation Indicator）；综合报告索引（Comprehensive Dissertation Index）
🗣️ 情景例句
Mm-hmm. Let's go ...
嗯哼。我们走吧……
I think I happen to represent them in accepting this award.
而我是碰巧来代表他们接受这个奖的。
It was from the study of these that so much was learnt about the interior of the earth.
正是从这两种波的研究中，我们可以了解到地球内部的许多情况。