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
Eight straight-back chairs. Thirty folding chairs.
八张直背椅。三十张折摺椅。
This is to be my treat, so I'll pay for everything.
这次轮到我作东，所以一切由我付账。
It's a pen.
一支钢笔。