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英语是:They are a combination.解释:they 英[ðeɪ] 美[ðe] pron. 她们; 他/她/它们; 人们,大家; 政府,当局; [例句]The two men were far more alike than they would ever admit那两个人也许不承认,可他们非常相像。combination 英[ˌkɒmbɪˈneɪʃn] 美[ˌkɑ:mbɪˈneɪʃn] n. 组合;结合; 联合体; 密码组合; 连裤内衣; [例句]The combination of sex and treachery proved a copper-bottomed circulation booster事实证明,性和背叛的话题结合起来无疑大大增加了发行量。
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