你好!是否whether 英[ˈweðə(r)] 美[ˈhwɛðɚ, ˈwɛð-] pron. 其中的哪一个; n. 可能的选择; [例句]To this day, it's unclear whether he shot himself or was murdered至今尚不清楚他究竟是饮弹自***还是被谋***。