!care的派生词是carefree,carefree的中文意思是adj. 无忧无虑的,无牵挂的不负责任的

I was heartsick, for I felt that the splendid years of my carefree childhood had come to an end.我很难过,因为我觉得我无忧无虑的美好童年生活结束了。

care派生词

care的派生词有

careful认真的

carefully认真地

careless粗心大意的