Katalyst
n. [化] (=catalyst)催化剂
🗣️ 情景例句
Thanks a lot.
多谢，多谢！
Prevention is better than cure.
预防胜于治疗。
and that fool, Horst, aimed a fire extinguisher at me.
但那个傻瓜霍斯特把灭火器对准了我。