1. I had a sense of achievement when I finished writing the book "Programming in C++". I published it with a book publisher.2. Doing volunteer work is very fulfilling and satisfying to me.3. I felt very fulfilled after doing ten hours of volunteer work at the rescue site.
 have a sense of achievement have a sense of accomplishment have a sense of fulfillment something is fulfilling something is satisfying feel fulfilled and satisfiedfulfillment 表示你覺得你完成了某樣事情, 也就是成就感，譬如你一整天做了很多有工作感到很有成就感，就可以說 I feel fulfilled at the end of a long day at work. 而 satisfied 是感到滿足的意思，捕捉了一些成就感的感覺。 圖中是小朋友寫給我的信，讓我很有成就感。
1. 當我把書寫完時覺得很有成就感.2. 打義工讓我覺得很有成就感.3. 我做完十小時的義工後覺得很有成就感.
All the work I've been putting into this project has been all for othing because my boss is shutting it down.