Helmholtz's theory
[医] 黑姆霍耳茨氏学说(听觉学说)
🧩 词语组成解析
🗣️ 情景例句
Please check to be sure you have your belongings.
请记得带您的行李。
Have you washed anything?
你洗东西吗？
It is no use learning without thinking.
学而不思则惘。