Prandtl number
[化] 普朗特数
🧩 词语组成解析
🗣️ 情景例句
It was for a good reason.
你今天早走是有原因的。
It is not how long but how well we live.
问题不是活得长不长而是活得好不好。
Here you are But you mustn't come home after a quarter past eleven.Do you hear?
拿去。但你不能超过11点1刻回家。听见了吗？