Campholytic acid
[机] 龙脑基酸
🧩 词语组成解析
🗣️ 情景例句
The pollution in Beijing is alarming.
北京的污染给人们敲起了警钟。
Nothing venture, nothing win (or have or gain).
不入虎穴，焉得虎子。
Thank you.
谢谢。