Phase velocity
[化] 相速
🧩 词语组成解析
🗣️ 情景例句
Every cloud has a silver lining.
再黑暗的地方也有一线光明。
Nothing will come of nothing.
无风不起浪。
and then generalized the results of his many experiments into the famous law of free fall.
然后将多次实验结果概括成著名的自由落体定律的人。