Ject对"joviality" 的正确翻译：n. 快乐, 高兴, 愉悦。发音：[ˌdʒəuvi'æliti]。例句参考：His air of joviality was put on for the occasion; by nature he was a rather reserved and serious person. - 他那欢乐活泼的外表只是一时装出来的, 就他本性来看, 他是个含蓄、严肃的人。；