问题描述：
Jim weighs 50 kilograms when he was 15 years old 的同义句
换成是 ______ ______ ______ jim ______ 50 kilosgrams when he was 15 years old.
换成是 ______ ______ ______ jim ______ 50 kilosgrams when he was 15 years old.
问题解答：
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