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2026英语单词在线查_免费看外语词汇翻译-单词机unhappinessunhappiness考试真题

unhappiness

[ʌn'hæpinis]

英语单词unhappiness

英英释义考试真题实用场景例句

n. 苦恼；忧愁

考试真题

Too much screen time is widely believed to be the cause of unhappiness among today's young people.