Önce bu deneyde kullanılan katalizörü incelemek istiyorum.
- First, I'd like to examine the catalyst used in this experiment.
Etkili bir katalizör olmadığı zaman cihazı geliştirmek zor olurdu.
- It would be difficult to improve the device when there is no effective catalyst.
Rosa Parks was a true catalyst for change and she was only one person. Hearing about Rosa Parks and her protest showed me that there is hope for me and all the students in Ms. G's classes to truly be catalysts for change.