Rayleigh number
[化] 瑞利数
🧩 词语组成解析
n. 瑞利（姓氏）；雷利（极光和夜天光的发光强度的单位）
🗣️ 情景例句
h-t-e-r-c-z-e-p-e-s.
h-t-e-r-c-z-e-p-e-s。
This knife is dirty.Would you bring me a clean one,please?
这把刀子是脏的.请你给我干净的一个,好吗？
She knew she was near the shore because the light was high up on the cliffs.
知道自己已经接近岸边了，因为那灯光是在高高的峭壁上。