单词	Omar I
释义	Omar I /ˈəʊmɑː / (Circa 581–644), Muslim caliph 634–44. He conquered Syria, Palestine, and Egypt.
随便看	betrothed betrothment Bettelheim, Bruno Bettendorf better betterance better dead than red (or better red than dead) betterer better half better-heeled bettering house betterish better late than never betterment bettermost betterness better off better-paid better safe than sorry better than better the devil you know than the devil you don't know better-to-do Betterton, Thomas bet the farm betting

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