Pedi
abbr. 聚醚型二异氰酸酯（polyether diisocyanate）；专属电子资料交换服务系统；可交换的便携式去离子
🗣️ 情景例句
Eight straight-back chairs. Thirty folding chairs.
八张直背椅。三十张折摺椅。
A Ph.D. Doctor of Philosophy from Yale.
在耶鲁大学攻读了哲学博士学位。
He drives more carefully than you.
他开车比你小心。