(每日一词) emulous

Emulous /emjələs/ adj. 好胜的; 竞争心强的

Meaning: desiring or aiming to equal or surpass another; competitive 

词源: em- 同aim

后缀: -ulous 形容词后缀(ridiculous, fabulous) 

e.g. She was emulous in her studies. 她在学习上非常勤奋好学。