Reynolds number
[化] 雷诺数
🧩 词语组成解析
n. 雷诺兹（姓氏）
🗣️ 情景例句
The whole house needs re-painting.
整个房间需要重新粉刷。
Extremes are dangerous.
物极必反。
What are they making? asked Li Lei. Uncle Wang laughed. Guess! he said.
“他们在造什么？”李磊问。王大叔笑了。“猜猜看！”他说。