P. d.
[医] 棱镜屈光度, 乳头直径, 瞳孔间距离
🗣️ 情景例句
Wonderful. I'll call you,
那太好了。我打电话给你。
Whatever happens, don't go back.
不管什么事情发生，你都不要回来。
Look! It's inside another pot. What was that pot used for?
“瞧！还是大壶套小壶呢。有什么用途？”