从三年以前开始 From three years before starts ; Three years ago
也许是在三年以前 Perhaps three yeas ago
三年以前
Three years ago
以上为机器翻译结果，长、整句建议使用 人工翻译 。
我最后一次见到比尔是在三年以前。
I haven't seen Bill for three years.
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三年以前，艾诗丽患上了癌症。
Three years earlier, Ashley had been diagnosed with cancer.
“大约三年以前，”嘉莉说。
"About three years ago," said Carrie.
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