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
Don't worry.
别担心。
He likes playing the trumpet.
他喜欢吹喇叭。
The sense of humour is mysteriously bound up with national characteristics.
幽默感与民族有着神秘莫测的联系。