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(单词翻译:双击或拖选)
Her elder brother is five years her senior.
她的哥哥比她大五岁。
senior有年长的意思，也指年纪叫大的人。钢材那句话相当于 Her elder brother is five years older than she.
上面的那句话也可说成：
Her elder brother is five years senior to her.(注：这句的senior是形容词，表示年纪较大的)
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