Undulatory theory
[化] 波动说
🧩 词语组成解析
a. 波动的, 起伏的, 因波动引起的
🗣️ 情景例句
Out with it!
说出来吧！
This company is growing by leaps and bounds, and the way to keep growing.
这个公司正在迅速发展，保持成长。
He can't make it today. He has to stay at home.
他今天不行了。他得呆在家里。