历史记录

ciphering

['saɪfərɪŋ]

小白秒变口语达人>>

1、

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.

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2、

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.

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