Pcdd
abbr. patient clinical data directory 患者临床数据名录; polychlorinated dibenzo-p-dioxin 多氯二苯-p-二噁英
🗣️ 情景例句
We've been driving for hours with no gas station in sight.
我们开车开了好久也没有看到一个加油站。
Did you go to the concert yesterday?
你昨天去听音乐会了吗？
In this way self-confidence grows, first from mastering a subject, then from being able to take about it.
这样，你自信心不断增强，先是因为掌握一门学问，接下来是因为能够就此发表见解。