计算,算出;

By the time I returned with a bowl of popcorn, my son had ciphering.
当我端着一碗爆米花回来时, 儿子已经算完了.
来源:互联网摘选By the time I returned with a bowl of popcorn, my son had finished his ciphering.
我拿着一碗爆米花回到房间时, 儿子已经算完了.
来源:互联网摘选
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