Woelde's triangle
[医] 沃耳德氏锥体, 波利泽尔氏锥, [鼓膜]光锥
🧩 词语组成解析
🗣️ 情景例句
2. We should all start exercising.
咱们都该去健身了。
I have nothing to do with it.
那与我无关。
a wave length (the horizontal distance between two wave crests),
波长（两个浪峰间的水平距离）