joyousadj.
英 'dʒɒɪəs | 美 'dʒɔɪəs
中文adj. 令人高兴的；充满欢乐的（等于joyful）
词根词源
joyous (adj.)c. 1300, from Anglo-French joyous, Old French joios "happy, cheerful, merry, glad" (12c., Modern French joyeux), from joie (see joy). Related: Joyously; joyousness.
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