Erythroxylon p. br.
[医] 古柯属
🧩 词语组成解析
可卡因
🗣️ 情景例句
Feel free to look around.
请随意到处看看。
The way you look at it seems to be quite different from the way I look at it.
你的看法和我的似乎不太相同。
a wave length (the horizontal distance between two wave crests),
波长（两个浪峰间的水平距离）