Strouhal number
[化] 斯特鲁哈尔数
🧩 词语组成解析
🗣️ 情景例句
Yes, I am.
是的。
They fought for the sake of their country.
他们为国而战。
it is not always safe by the time it reaches the tap.
等水到达龙头时就不一定总是安全的了。