Capsaicin-the main acridity of capsicum.

辣椒素是辣椒的主要辛辣成分。

Capsaicin - the main acridity of capsicum.

辣椒素是辣椒的主要辛辣成分.

And her quivering mouth, distorted by the acridity of some mysterious potion, with a sibilant intake of breath came near to my face.

而她颤动的嘴扭曲着，看上去就像是被某种神秘的药品刺激了，发着呼吸的嘶嘶声，向我的脸靠近。