词根词缀:hilar-
【来源及含义】Greek > Latin: cheerful, gay, joyful, good spirits
【同源单词】accelerate, accelerator, exhilarant, exhilarate, exhilaratingly, exhilaration
【来源及含义】Greek > Latin: cheerful, gay, joyful, good spirits
【同源单词】accelerate, accelerator, exhilarant, exhilarate, exhilaratingly, exhilaration